<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:579edcef-6e16-4e46-9c64-e1a469f928c1,g:807ac0e4-eb35-4dab-b149-242f0b0c0d75-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.paramount.com/role/COVER" xlink:type="simple" xlink:href="para-20250630.xsd#COVER"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/COVER" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_70da1c5e-6bf7-4559-b84f-a6699b16ca9a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_DocumentInformationTable_70da1c5e-6bf7-4559-b84f-a6699b16ca9a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_55f8224e-2d2d-4eb5-bc9b-1d1bb6f9d003" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_70da1c5e-6bf7-4559-b84f-a6699b16ca9a" xlink:to="loc_us-gaap_StatementClassOfStockAxis_55f8224e-2d2d-4eb5-bc9b-1d1bb6f9d003" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_55f8224e-2d2d-4eb5-bc9b-1d1bb6f9d003_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_55f8224e-2d2d-4eb5-bc9b-1d1bb6f9d003" xlink:to="loc_us-gaap_ClassOfStockDomain_55f8224e-2d2d-4eb5-bc9b-1d1bb6f9d003_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fd3c8155-2a8b-40aa-8500-48075a802867" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_55f8224e-2d2d-4eb5-bc9b-1d1bb6f9d003" xlink:to="loc_us-gaap_ClassOfStockDomain_fd3c8155-2a8b-40aa-8500-48075a802867" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_b1f78bbc-8f92-4ed2-b7be-c03264d8218f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fd3c8155-2a8b-40aa-8500-48075a802867" xlink:to="loc_us-gaap_CommonClassAMember_b1f78bbc-8f92-4ed2-b7be-c03264d8218f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_494dbf3a-163c-4f80-866b-33c46551c470" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fd3c8155-2a8b-40aa-8500-48075a802867" xlink:to="loc_us-gaap_CommonClassBMember_494dbf3a-163c-4f80-866b-33c46551c470" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_ab4dd0af-408b-427c-b95e-4ef09f71a75f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_DocumentType_ab4dd0af-408b-427c-b95e-4ef09f71a75f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_20285be8-cb85-4bdb-978c-683edf6bf410" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_DocumentQuarterlyReport_20285be8-cb85-4bdb-978c-683edf6bf410" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_125eea99-4f4a-4b26-b8d8-4d8accaa6823" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_DocumentPeriodEndDate_125eea99-4f4a-4b26-b8d8-4d8accaa6823" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_555269b0-b8fb-4647-afd2-4402ad4696fd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_DocumentTransitionReport_555269b0-b8fb-4647-afd2-4402ad4696fd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_2d65734e-84f3-42a3-b131-704b1b1a362b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityFileNumber_2d65734e-84f3-42a3-b131-704b1b1a362b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_376986a6-187a-4e93-a82b-bf9b2cb02cea" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityRegistrantName_376986a6-187a-4e93-a82b-bf9b2cb02cea" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_6e8517a5-92cd-48e9-837c-c4b722742c3d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityIncorporationStateCountryCode_6e8517a5-92cd-48e9-837c-c4b722742c3d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_f94e7125-7b94-4f9c-a105-1ab82c1027ed" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityTaxIdentificationNumber_f94e7125-7b94-4f9c-a105-1ab82c1027ed" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_b4af2add-c1b9-438f-882d-5878a8423c16" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityAddressAddressLine1_b4af2add-c1b9-438f-882d-5878a8423c16" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_fdc99653-53f2-46bf-97f1-974766ac0ba9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityAddressCityOrTown_fdc99653-53f2-46bf-97f1-974766ac0ba9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_04e8a0b3-47e0-4b5b-8273-4e394d929558" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityAddressStateOrProvince_04e8a0b3-47e0-4b5b-8273-4e394d929558" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_5b27674c-9149-42ad-8e02-4e46aff04278" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityAddressPostalZipCode_5b27674c-9149-42ad-8e02-4e46aff04278" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_ac503c54-aab2-4182-a669-5e5319ce5611" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_CityAreaCode_ac503c54-aab2-4182-a669-5e5319ce5611" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_3c381979-f56d-4923-add9-dff5bb36d126" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_LocalPhoneNumber_3c381979-f56d-4923-add9-dff5bb36d126" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_7a5cba2d-957f-4a30-aac6-fdbdf95d6258" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_Security12bTitle_7a5cba2d-957f-4a30-aac6-fdbdf95d6258" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_1d164ce3-0855-4f36-83d5-a95b5a418d88" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_TradingSymbol_1d164ce3-0855-4f36-83d5-a95b5a418d88" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_2d6cd28d-d38d-40e8-b860-b19455cd9dc3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_SecurityExchangeName_2d6cd28d-d38d-40e8-b860-b19455cd9dc3" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_50b0df44-9fdf-4750-9240-1a7679191fd0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityCurrentReportingStatus_50b0df44-9fdf-4750-9240-1a7679191fd0" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_561c8af5-abdd-4c27-89f0-3af80d470297" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityInteractiveDataCurrent_561c8af5-abdd-4c27-89f0-3af80d470297" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_36276965-f487-4842-82e5-21fbc9fd6bb9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityFilerCategory_36276965-f487-4842-82e5-21fbc9fd6bb9" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_daf2cfda-6042-4969-94c5-b0ee17b4a269" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntitySmallBusiness_daf2cfda-6042-4969-94c5-b0ee17b4a269" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_d0648933-ff89-43d0-9053-ac9f6e8bec55" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityEmergingGrowthCompany_d0648933-ff89-43d0-9053-ac9f6e8bec55" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_52a0b993-e49a-49a8-a5d8-a20ad79d4e9c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityShellCompany_52a0b993-e49a-49a8-a5d8-a20ad79d4e9c" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_3ba8d661-661e-4d74-abc1-c9067d4c6e8a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_3ba8d661-661e-4d74-abc1-c9067d4c6e8a" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_25c3d50c-314a-4373-938f-2da53202b8d8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_EntityCentralIndexKey_25c3d50c-314a-4373-938f-2da53202b8d8" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_1646f8e3-d875-4d20-9586-13f0726ebd08" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_AmendmentFlag_1646f8e3-d875-4d20-9586-13f0726ebd08" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_40f68930-f1c0-45f9-8323-254df4d8eec1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_CurrentFiscalYearEndDate_40f68930-f1c0-45f9-8323-254df4d8eec1" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_b7b0d4a1-c8e2-43e5-9447-dbb0b9be00e5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_DocumentFiscalYearFocus_b7b0d4a1-c8e2-43e5-9447-dbb0b9be00e5" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_017f590d-59b5-4c1e-8796-26f67917a3e6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_626209d7-582e-44b4-8200-30931b3fc810" xlink:to="loc_dei_DocumentFiscalPeriodFocus_017f590d-59b5-4c1e-8796-26f67917a3e6" xlink:type="arc" order="28"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="para-20250630.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_25aa5497-24bf-46ea-ac9d-ba58c9fe9ddb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_4676541a-3676-4841-96ec-2908b96e39b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_25aa5497-24bf-46ea-ac9d-ba58c9fe9ddb" xlink:to="loc_us-gaap_StatementTable_4676541a-3676-4841-96ec-2908b96e39b0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_98ee4c73-340f-4a10-9a1c-2c993c5eff65" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_4676541a-3676-4841-96ec-2908b96e39b0" xlink:to="loc_us-gaap_StatementClassOfStockAxis_98ee4c73-340f-4a10-9a1c-2c993c5eff65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_98ee4c73-340f-4a10-9a1c-2c993c5eff65_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_98ee4c73-340f-4a10-9a1c-2c993c5eff65" xlink:to="loc_us-gaap_ClassOfStockDomain_98ee4c73-340f-4a10-9a1c-2c993c5eff65_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_aea2319a-49f8-485c-927b-d904949da707" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_98ee4c73-340f-4a10-9a1c-2c993c5eff65" xlink:to="loc_us-gaap_ClassOfStockDomain_aea2319a-49f8-485c-927b-d904949da707" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_2efce491-41a0-48a6-848c-d16ffda7f7d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_aea2319a-49f8-485c-927b-d904949da707" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_2efce491-41a0-48a6-848c-d16ffda7f7d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_488f20d9-4dea-4e09-b0a8-dc68ff181c60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_aea2319a-49f8-485c-927b-d904949da707" xlink:to="loc_us-gaap_CommonClassAMember_488f20d9-4dea-4e09-b0a8-dc68ff181c60" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_a25ff3a0-351e-464c-864d-824736541430" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_aea2319a-49f8-485c-927b-d904949da707" xlink:to="loc_us-gaap_CommonClassBMember_a25ff3a0-351e-464c-864d-824736541430" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_25aa5497-24bf-46ea-ac9d-ba58c9fe9ddb" xlink:to="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_58213e50-ca7e-47a8-ac1f-df4f4ea57881" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_AssetsCurrentAbstract_58213e50-ca7e-47a8-ac1f-df4f4ea57881" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ffb2cd1e-2769-4446-bfb8-85f850b26e31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_58213e50-ca7e-47a8-ac1f-df4f4ea57881" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_ffb2cd1e-2769-4446-bfb8-85f850b26e31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_5ce70726-5140-45bd-afea-2a6d9eab24bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_58213e50-ca7e-47a8-ac1f-df4f4ea57881" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_5ce70726-5140-45bd-afea-2a6d9eab24bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmCapitalizedCostCurrent_139e221b-d340-49cb-9766-ce6b1455fd8b" xlink:href="para-20250630.xsd#para_FilmCapitalizedCostCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_58213e50-ca7e-47a8-ac1f-df4f4ea57881" xlink:to="loc_para_FilmCapitalizedCostCurrent_139e221b-d340-49cb-9766-ce6b1455fd8b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_57df4f99-06d4-45ea-b2f2-dcc3708560fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_58213e50-ca7e-47a8-ac1f-df4f4ea57881" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_57df4f99-06d4-45ea-b2f2-dcc3708560fc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_480e7f12-6b5b-4656-ac4a-facafd8a8d17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_58213e50-ca7e-47a8-ac1f-df4f4ea57881" xlink:to="loc_us-gaap_AssetsCurrent_480e7f12-6b5b-4656-ac4a-facafd8a8d17" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7e074fa8-e781-4777-b295-3770f9f7f5e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7e074fa8-e781-4777-b295-3770f9f7f5e6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmCapitalizedCostNoncurrent_79eea7b7-8039-4686-9727-95503d5e88f7" xlink:href="para-20250630.xsd#para_FilmCapitalizedCostNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_para_FilmCapitalizedCostNoncurrent_79eea7b7-8039-4686-9727-95503d5e88f7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_d03b138f-3a5c-4bc3-93cf-f8989afd10e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_Goodwill_d03b138f-3a5c-4bc3-93cf-f8989afd10e2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6548d312-6a63-4f60-b2d7-1ba9f63edd1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6548d312-6a63-4f60-b2d7-1ba9f63edd1b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_1c4410ee-bc56-44a8-bc9c-c18aeb1b64f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_1c4410ee-bc56-44a8-bc9c-c18aeb1b64f2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_d3978b7e-fa21-434a-9d47-bf5a04d1e3cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_d3978b7e-fa21-434a-9d47-bf5a04d1e3cb" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_3c40a098-f966-4bfa-ae2b-e86f9791a13d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_3c40a098-f966-4bfa-ae2b-e86f9791a13d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_5a6bfce0-d68b-48c9-a853-fdb91786f449" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_1580f0ff-1704-4baa-b566-aca8318eb7a1" xlink:to="loc_us-gaap_Assets_5a6bfce0-d68b-48c9-a853-fdb91786f449" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_25aa5497-24bf-46ea-ac9d-ba58c9fe9ddb" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_e6c9ba03-c3ac-467c-80fc-6b1b84a2e126" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_AccountsPayableCurrent_e6c9ba03-c3ac-467c-80fc-6b1b84a2e126" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_f3c9833a-b445-49a1-b896-752bd411cf5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_f3c9833a-b445-49a1-b896-752bd411cf5c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedRoyaltiesCurrent_54f89a3b-ed26-43aa-9677-876a2739a16a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedRoyaltiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_AccruedRoyaltiesCurrent_54f89a3b-ed26-43aa-9677-876a2739a16a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProgramRightsObligationsCurrent_56f5ce35-9cb5-4d48-926f-8e4317ac27cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProgramRightsObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_ProgramRightsObligationsCurrent_56f5ce35-9cb5-4d48-926f-8e4317ac27cf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_4cf553bf-071e-4aeb-bd04-03528cf7e882" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_4cf553bf-071e-4aeb-bd04-03528cf7e882" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_53ddf544-d19b-4f94-af28-2b9d8b08fe7a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_53ddf544-d19b-4f94-af28-2b9d8b08fe7a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_05c727b2-e588-4c28-bccf-c3275c74c2f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_05c727b2-e588-4c28-bccf-c3275c74c2f9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_5cb811a8-a94c-4147-a221-a2bd0b06207a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_b4a9b3f9-dd8d-4d9d-bcb0-3f63ca838706" xlink:to="loc_us-gaap_LiabilitiesCurrent_5cb811a8-a94c-4147-a221-a2bd0b06207a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_26a86a1f-57ae-4546-9602-aa82f65eccab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_26a86a1f-57ae-4546-9602-aa82f65eccab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_AccruedRoyaltiesNoncurrent_4968d97b-345a-4ec4-b5d3-92a625a7873d" xlink:href="para-20250630.xsd#para_AccruedRoyaltiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_para_AccruedRoyaltiesNoncurrent_4968d97b-345a-4ec4-b5d3-92a625a7873d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_df8c6f0e-3bef-4fd0-b500-00cfe122fec4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_df8c6f0e-3bef-4fd0-b500-00cfe122fec4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_284dfd85-4755-4f98-8d26-4e5e074a20c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_284dfd85-4755-4f98-8d26-4e5e074a20c6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_9d6aefb7-df9c-463f-9443-bf451c03a3a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_9d6aefb7-df9c-463f-9443-bf451c03a3a6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProgramRightsObligationsNoncurrent_59f8b857-9993-4da2-bf25-c252aa096940" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProgramRightsObligationsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_ProgramRightsObligationsNoncurrent_59f8b857-9993-4da2-bf25-c252aa096940" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_e91bb196-4641-4cb5-8527-227f352c074d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_e91bb196-4641-4cb5-8527-227f352c074d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_f19c9661-7e47-4727-996b-0daa195307f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_CommitmentsAndContingencies_f19c9661-7e47-4727-996b-0daa195307f4" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_5b53247d-e090-4ffb-8c70-681221663f1e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:to="loc_us-gaap_PreferredStockValue_5b53247d-e090-4ffb-8c70-681221663f1e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_68acb33f-0f88-4ae2-a0e0-b33526aa3543" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:to="loc_us-gaap_CommonStockValue_68acb33f-0f88-4ae2-a0e0-b33526aa3543" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_156c06a1-f863-4250-9df0-0d80456a5068" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_156c06a1-f863-4250-9df0-0d80456a5068" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_d9612091-fcd8-4060-9b38-fe9f0a2b7211" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:to="loc_us-gaap_TreasuryStockCommonValue_d9612091-fcd8-4060-9b38-fe9f0a2b7211" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9a6b013d-e872-4d25-8b0b-78c75bdf59b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9a6b013d-e872-4d25-8b0b-78c75bdf59b9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8f0922f6-57c8-44e6-ac37-3ab498998a2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8f0922f6-57c8-44e6-ac37-3ab498998a2b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_ff0ceb0e-f69a-425e-888c-5be2a9d6a475" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_cfb07b8a-f5b1-449c-a450-7d00fda184ab" xlink:to="loc_us-gaap_StockholdersEquity_ff0ceb0e-f69a-425e-888c-5be2a9d6a475" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_e1bf7a79-76a3-40d6-aad4-c643d26ada34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_MinorityInterest_e1bf7a79-76a3-40d6-aad4-c643d26ada34" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d9ab97f1-115d-402b-ae6c-4c939fcf89fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d9ab97f1-115d-402b-ae6c-4c939fcf89fa" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_327e83f4-4292-4bfc-8e01-6c71d2ab17c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_aa8e6207-ea00-4525-9eef-a11fabce344a" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_327e83f4-4292-4bfc-8e01-6c71d2ab17c2" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_78ff5272-1590-46a7-8042-6277e9879523" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_25aa5497-24bf-46ea-ac9d-ba58c9fe9ddb" xlink:to="loc_us-gaap_TreasuryStockCommonShares_78ff5272-1590-46a7-8042-6277e9879523" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="para-20250630.xsd#CONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_fdb177d6-4b25-4c42-a297-ec68d21f5514" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_StatementTable_fdb177d6-4b25-4c42-a297-ec68d21f5514" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_370a0573-60b5-4698-ba31-10774eb12718" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_fdb177d6-4b25-4c42-a297-ec68d21f5514" xlink:to="loc_us-gaap_StatementClassOfStockAxis_370a0573-60b5-4698-ba31-10774eb12718" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_370a0573-60b5-4698-ba31-10774eb12718_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_370a0573-60b5-4698-ba31-10774eb12718" xlink:to="loc_us-gaap_ClassOfStockDomain_370a0573-60b5-4698-ba31-10774eb12718_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_aed60d48-405a-4468-82e4-aba25267db99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_370a0573-60b5-4698-ba31-10774eb12718" xlink:to="loc_us-gaap_ClassOfStockDomain_aed60d48-405a-4468-82e4-aba25267db99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_d4423dd7-1697-41d2-bcef-8f8923255ccc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_aed60d48-405a-4468-82e4-aba25267db99" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_d4423dd7-1697-41d2-bcef-8f8923255ccc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_505086ad-a919-4c61-9c3d-62dd39002e57" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_aed60d48-405a-4468-82e4-aba25267db99" xlink:to="loc_us-gaap_CommonClassAMember_505086ad-a919-4c61-9c3d-62dd39002e57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_0d944f8a-6035-4909-b94d-b64e8a5e6f4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_aed60d48-405a-4468-82e4-aba25267db99" xlink:to="loc_us-gaap_CommonClassBMember_0d944f8a-6035-4909-b94d-b64e8a5e6f4d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_9749bcf1-b769-4c90-b8f1-96d23c10075f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_9749bcf1-b769-4c90-b8f1-96d23c10075f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_8c8fa13b-ee42-46ea-97c6-9a221b9ace10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_8c8fa13b-ee42-46ea-97c6-9a221b9ace10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_c698db24-8a2a-44d3-9c19-b6ea8f021825" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_c698db24-8a2a-44d3-9c19-b6ea8f021825" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_e572a961-fc28-4969-b084-308f10969bb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_PreferredStockSharesIssued_e572a961-fc28-4969-b084-308f10969bb3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_7b80c345-374c-4978-8569-7c3576d56072" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_7b80c345-374c-4978-8569-7c3576d56072" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_ddbcfc8a-c6f0-4f23-9e3a-ba360a525bbc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_ddbcfc8a-c6f0-4f23-9e3a-ba360a525bbc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_4b860f12-a90f-4706-b958-73a9482c0ba9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_CommonStockSharesIssued_4b860f12-a90f-4706-b958-73a9482c0ba9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_b2d5a5f6-e202-41aa-833d-508ccf7e7f95" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_71d1be3b-5319-4053-bc83-9deda2fe3d73" xlink:to="loc_us-gaap_TreasuryStockCommonShares_b2d5a5f6-e202-41aa-833d-508ccf7e7f95" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="simple" xlink:href="para-20250630.xsd#CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_1b273aa0-286c-4c91-a787-abbfb7cbfe94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_6203e4b1-f0a8-4431-87ae-386830419f51" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_1b273aa0-286c-4c91-a787-abbfb7cbfe94" xlink:to="loc_us-gaap_StatementTable_6203e4b1-f0a8-4431-87ae-386830419f51" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_49b9fd1e-7bee-404e-8ed2-31f9c9eec44e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_6203e4b1-f0a8-4431-87ae-386830419f51" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_49b9fd1e-7bee-404e-8ed2-31f9c9eec44e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_49b9fd1e-7bee-404e-8ed2-31f9c9eec44e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_49b9fd1e-7bee-404e-8ed2-31f9c9eec44e" xlink:to="loc_us-gaap_EquityComponentDomain_49b9fd1e-7bee-404e-8ed2-31f9c9eec44e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_b8a9a0b2-3bc8-4175-9eba-ed0e1d9c94a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_49b9fd1e-7bee-404e-8ed2-31f9c9eec44e" xlink:to="loc_us-gaap_EquityComponentDomain_b8a9a0b2-3bc8-4175-9eba-ed0e1d9c94a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_b8a9a0b2-3bc8-4175-9eba-ed0e1d9c94a6" xlink:to="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_9ab53a97-ccdd-4658-8f59-de39a6e227b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:to="loc_us-gaap_PreferredStockMember_9ab53a97-ccdd-4658-8f59-de39a6e227b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_6eb1b921-826d-44e0-8f6a-f0b3c5a09672" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:to="loc_us-gaap_CommonStockMember_6eb1b921-826d-44e0-8f6a-f0b3c5a09672" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_f7da7090-a1e9-4c74-9708-5167d24b210f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_f7da7090-a1e9-4c74-9708-5167d24b210f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_859fe5af-f5e4-422b-8304-800a678e0826" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:to="loc_us-gaap_TreasuryStockCommonMember_859fe5af-f5e4-422b-8304-800a678e0826" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_2585400f-0130-4db8-b7a7-c703cf565e7b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:to="loc_us-gaap_RetainedEarningsMember_2585400f-0130-4db8-b7a7-c703cf565e7b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_21f0be15-4f7d-470d-9012-1c285f83a182" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_c8a8089a-7ad7-4c1c-927f-6912956f75eb" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_21f0be15-4f7d-470d-9012-1c285f83a182" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_bb77ba54-013c-4eb5-a2c7-bdf6a43e613c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_b8a9a0b2-3bc8-4175-9eba-ed0e1d9c94a6" xlink:to="loc_us-gaap_NoncontrollingInterestMember_bb77ba54-013c-4eb5-a2c7-bdf6a43e613c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1b273aa0-286c-4c91-a787-abbfb7cbfe94" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_463cb6b4-c30b-4ed0-b1ce-c709a7f3bf5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_463cb6b4-c30b-4ed0-b1ce-c709a7f3bf5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_dc99a991-e7c7-4789-854e-1d8a6ab2d396" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_dc99a991-e7c7-4789-854e-1d8a6ab2d396" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_90b598dd-a6a6-4a79-b692-ebe585a3aec1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_90b598dd-a6a6-4a79-b692-ebe585a3aec1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_7bee71c1-bb7a-4a72-9a5f-5c414dc819b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_7bee71c1-bb7a-4a72-9a5f-5c414dc819b4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_f5b1a7d9-15d6-4d53-aabc-16b5ec404e9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_f5b1a7d9-15d6-4d53-aabc-16b5ec404e9c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_5bdf1613-8162-4760-bd68-2962cd132a54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_5bdf1613-8162-4760-bd68-2962cd132a54" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_292eb3bf-9702-4ea4-8d36-96580262ad87" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsPreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_DividendsPreferredStock_292eb3bf-9702-4ea4-8d36-96580262ad87" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStock_e456ecb5-28e7-4523-a3f8-103c51069d5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_DividendsCommonStock_e456ecb5-28e7-4523-a3f8-103c51069d5a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_NoncontrollingInterestIncreaseDecreaseFromDistributionsBusinessCombinationsAndOther_b31bc9e5-3acc-419e-b27a-c21126f9a5e8" xlink:href="para-20250630.xsd#para_NoncontrollingInterestIncreaseDecreaseFromDistributionsBusinessCombinationsAndOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_para_NoncontrollingInterestIncreaseDecreaseFromDistributionsBusinessCombinationsAndOther_b31bc9e5-3acc-419e-b27a-c21126f9a5e8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_74eb9085-4c01-42a7-9eac-05382ba5cca6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_ProfitLoss_74eb9085-4c01-42a7-9eac-05382ba5cca6" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1f0c5f04-0975-4d3f-af51-9ae4b1d76161" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_52ae9758-e2d6-49d1-8ff8-9d45c931d518" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1f0c5f04-0975-4d3f-af51-9ae4b1d76161" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_c3a53354-d2f3-4598-abf3-631d9c2f0119" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3c24a730-8c31-406a-895f-8616478f1340" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_5c1f8f6a-fef7-4c76-acc3-33c05a6e3269" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/BASISOFPRESENTATIONNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#BASISOFPRESENTATIONNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/BASISOFPRESENTATIONNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_759014d8-53b8-4628-adf7-3f400214b3dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_759014d8-53b8-4628-adf7-3f400214b3dc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_aeacdcd0-498c-42a9-9b54-6a9ee9f1cbb1" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_759014d8-53b8-4628-adf7-3f400214b3dc" xlink:to="loc_srt_CounterpartyNameAxis_aeacdcd0-498c-42a9-9b54-6a9ee9f1cbb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_aeacdcd0-498c-42a9-9b54-6a9ee9f1cbb1_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_aeacdcd0-498c-42a9-9b54-6a9ee9f1cbb1" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_aeacdcd0-498c-42a9-9b54-6a9ee9f1cbb1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5fba22cf-94a6-4842-9515-031b2e852f6b" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_aeacdcd0-498c-42a9-9b54-6a9ee9f1cbb1" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5fba22cf-94a6-4842-9515-031b2e852f6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_SkydanceInvestorGroupMember_73124a67-d1eb-4c0a-b3ea-aa6ca7ba579d" xlink:href="para-20250630.xsd#para_SkydanceInvestorGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5fba22cf-94a6-4842-9515-031b2e852f6b" xlink:to="loc_para_SkydanceInvestorGroupMember_73124a67-d1eb-4c0a-b3ea-aa6ca7ba579d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_HoldersOfParamountClassASharesOtherThanNAIEquityInvestorsMember_d56452f4-37b6-4f11-ab09-64d64e846e5a" xlink:href="para-20250630.xsd#para_HoldersOfParamountClassASharesOtherThanNAIEquityInvestorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5fba22cf-94a6-4842-9515-031b2e852f6b" xlink:to="loc_para_HoldersOfParamountClassASharesOtherThanNAIEquityInvestorsMember_d56452f4-37b6-4f11-ab09-64d64e846e5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_HoldersOfParamountClassBSharesOtherThanNAIEquityInvestorsMember_586de6d4-83de-43d1-b7dc-41e45ebd453b" xlink:href="para-20250630.xsd#para_HoldersOfParamountClassBSharesOtherThanNAIEquityInvestorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5fba22cf-94a6-4842-9515-031b2e852f6b" xlink:to="loc_para_HoldersOfParamountClassBSharesOtherThanNAIEquityInvestorsMember_586de6d4-83de-43d1-b7dc-41e45ebd453b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_NationalAmusementsInc.NAIMember_be9644fa-60df-4e05-919a-9756dc5371a9" xlink:href="para-20250630.xsd#para_NationalAmusementsInc.NAIMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5fba22cf-94a6-4842-9515-031b2e852f6b" xlink:to="loc_para_NationalAmusementsInc.NAIMember_be9644fa-60df-4e05-919a-9756dc5371a9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_SkydanceMediaLLCMember_de677a96-2029-40cf-99fe-2d747b2361e4" xlink:href="para-20250630.xsd#para_SkydanceMediaLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_5fba22cf-94a6-4842-9515-031b2e852f6b" xlink:to="loc_para_SkydanceMediaLLCMember_de677a96-2029-40cf-99fe-2d747b2361e4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_9a8869bd-8e48-4314-9458-c79d4e8f31a5" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_759014d8-53b8-4628-adf7-3f400214b3dc" xlink:to="loc_srt_RangeAxis_9a8869bd-8e48-4314-9458-c79d4e8f31a5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_9a8869bd-8e48-4314-9458-c79d4e8f31a5_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_9a8869bd-8e48-4314-9458-c79d4e8f31a5" xlink:to="loc_srt_RangeMember_9a8869bd-8e48-4314-9458-c79d4e8f31a5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dec5f306-23cd-4e3d-9079-a0fae4a78222" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_9a8869bd-8e48-4314-9458-c79d4e8f31a5" xlink:to="loc_srt_RangeMember_dec5f306-23cd-4e3d-9079-a0fae4a78222" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_fda1e8d6-9149-40f2-b31f-aad13e31f7cc" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_dec5f306-23cd-4e3d-9079-a0fae4a78222" xlink:to="loc_srt_MaximumMember_fda1e8d6-9149-40f2-b31f-aad13e31f7cc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_d4bdecd8-30c9-4727-b889-3c578c9c4ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_759014d8-53b8-4628-adf7-3f400214b3dc" xlink:to="loc_us-gaap_StatementClassOfStockAxis_d4bdecd8-30c9-4727-b889-3c578c9c4ed4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_d4bdecd8-30c9-4727-b889-3c578c9c4ed4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_d4bdecd8-30c9-4727-b889-3c578c9c4ed4" xlink:to="loc_us-gaap_ClassOfStockDomain_d4bdecd8-30c9-4727-b889-3c578c9c4ed4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_58e3b8b3-cec8-4915-b9f2-23a47fc1a6f1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_d4bdecd8-30c9-4727-b889-3c578c9c4ed4" xlink:to="loc_us-gaap_ClassOfStockDomain_58e3b8b3-cec8-4915-b9f2-23a47fc1a6f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_NewParamountClassBCommonStockMember_747aa4b8-d0bc-4348-93b2-fd90e5e55841" xlink:href="para-20250630.xsd#para_NewParamountClassBCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_58e3b8b3-cec8-4915-b9f2-23a47fc1a6f1" xlink:to="loc_para_NewParamountClassBCommonStockMember_747aa4b8-d0bc-4348-93b2-fd90e5e55841" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_7b61bffb-6afb-461f-8635-3a73e9593bd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_58e3b8b3-cec8-4915-b9f2-23a47fc1a6f1" xlink:to="loc_us-gaap_CommonClassAMember_7b61bffb-6afb-461f-8635-3a73e9593bd4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_570eacd1-170c-497a-9321-9287c3da574e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_58e3b8b3-cec8-4915-b9f2-23a47fc1a6f1" xlink:to="loc_us-gaap_CommonClassBMember_570eacd1-170c-497a-9321-9287c3da574e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_NewParamountClassACommonStockMember_8d2f35d8-44af-476f-8c30-d13d6acbdbb0" xlink:href="para-20250630.xsd#para_NewParamountClassACommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_58e3b8b3-cec8-4915-b9f2-23a47fc1a6f1" xlink:to="loc_para_NewParamountClassACommonStockMember_8d2f35d8-44af-476f-8c30-d13d6acbdbb0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_6de23a48-5b25-4be2-81ae-a1eadd73c05e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_58e3b8b3-cec8-4915-b9f2-23a47fc1a6f1" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_6de23a48-5b25-4be2-81ae-a1eadd73c05e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_26ba93aa-5325-4203-b02f-c82baa9e1c0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_759014d8-53b8-4628-adf7-3f400214b3dc" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_26ba93aa-5325-4203-b02f-c82baa9e1c0f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_26ba93aa-5325-4203-b02f-c82baa9e1c0f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_26ba93aa-5325-4203-b02f-c82baa9e1c0f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_26ba93aa-5325-4203-b02f-c82baa9e1c0f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_ed58cfa1-dfcf-458a-99fd-0b71c9d51b3d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_26ba93aa-5325-4203-b02f-c82baa9e1c0f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_ed58cfa1-dfcf-458a-99fd-0b71c9d51b3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_78b6b442-2014-4481-8211-e498144ac86b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_ed58cfa1-dfcf-458a-99fd-0b71c9d51b3d" xlink:to="loc_us-gaap_StockCompensationPlanMember_78b6b442-2014-4481-8211-e498144ac86b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_a507e5d8-47f5-4b89-b079-e0e4a0471b00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_ed58cfa1-dfcf-458a-99fd-0b71c9d51b3d" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_a507e5d8-47f5-4b89-b079-e0e4a0471b00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_2d9974be-2c12-4a33-9f9e-4bf07ca20173" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_759014d8-53b8-4628-adf7-3f400214b3dc" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_2d9974be-2c12-4a33-9f9e-4bf07ca20173" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_2d9974be-2c12-4a33-9f9e-4bf07ca20173_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2d9974be-2c12-4a33-9f9e-4bf07ca20173" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_2d9974be-2c12-4a33-9f9e-4bf07ca20173_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_eada6603-b507-40bc-bcb6-c2540e8abb81" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2d9974be-2c12-4a33-9f9e-4bf07ca20173" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_eada6603-b507-40bc-bcb6-c2540e8abb81" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_9b914173-970c-440d-b1d8-ca45b0099a8e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_eada6603-b507-40bc-bcb6-c2540e8abb81" xlink:to="loc_us-gaap_SubsequentEventMember_9b914173-970c-440d-b1d8-ca45b0099a8e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_InvestmentByCertainAffiliatesOfExistingInvestors_9cd77e91-c884-47e2-99d4-ac0beed17b06" xlink:href="para-20250630.xsd#para_InvestmentByCertainAffiliatesOfExistingInvestors"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_InvestmentByCertainAffiliatesOfExistingInvestors_9cd77e91-c884-47e2-99d4-ac0beed17b06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_72ce7b36-0fa4-484e-a2b9-dd3336df0a2e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_72ce7b36-0fa4-484e-a2b9-dd3336df0a2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_5a4e70b6-4ac9-476e-886d-c69d49c40595" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_5a4e70b6-4ac9-476e-886d-c69d49c40595" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_de251686-1eee-4690-b8fa-888bea6495da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_de251686-1eee-4690-b8fa-888bea6495da" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_7916f6a7-83bf-4e25-9ab1-6f88a7f8fe96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_7916f6a7-83bf-4e25-9ab1-6f88a7f8fe96" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingTerm_a1c1403a-4dfc-4549-97e3-5f4f73bfc924" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantsAndRightsOutstandingTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingTerm_a1c1403a-4dfc-4549-97e3-5f4f73bfc924" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_InvestmentByCertainAffiliatesOfExistingInvestorsCashStockElection_acda16bf-87d7-477f-a89b-6b11cce2ebc3" xlink:href="para-20250630.xsd#para_InvestmentByCertainAffiliatesOfExistingInvestorsCashStockElection"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_InvestmentByCertainAffiliatesOfExistingInvestorsCashStockElection_acda16bf-87d7-477f-a89b-6b11cce2ebc3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_InvestmentByCertainAffiliatesOfExistingInvestorsCash_8c5b1866-8b2c-4727-8463-e42e1b08559d" xlink:href="para-20250630.xsd#para_InvestmentByCertainAffiliatesOfExistingInvestorsCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_InvestmentByCertainAffiliatesOfExistingInvestorsCash_8c5b1866-8b2c-4727-8463-e42e1b08559d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_InvestmentByCertainAffiliatesOfExistingInvestorsSubscriptionDiscount_e9bb4a99-6458-467b-b6fa-a182e95eced7" xlink:href="para-20250630.xsd#para_InvestmentByCertainAffiliatesOfExistingInvestorsSubscriptionDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_InvestmentByCertainAffiliatesOfExistingInvestorsSubscriptionDiscount_e9bb4a99-6458-467b-b6fa-a182e95eced7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_PotentialRemainderToBeContributed_8e3b149c-11d7-49a1-a017-ffbd4df4033a" xlink:href="para-20250630.xsd#para_PotentialRemainderToBeContributed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_PotentialRemainderToBeContributed_8e3b149c-11d7-49a1-a017-ffbd4df4033a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_StockRepurchasedDuringPeriodPricePerShare_24eea231-aa55-4b58-ac9e-6e70dffd6abb" xlink:href="para-20250630.xsd#para_StockRepurchasedDuringPeriodPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_StockRepurchasedDuringPeriodPricePerShare_24eea231-aa55-4b58-ac9e-6e70dffd6abb" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ConversionOfStockSharesIssuedUponConversion_c4c4350e-fb69-46e6-bb65-812c1e8e763b" xlink:href="para-20250630.xsd#para_ConversionOfStockSharesIssuedUponConversion"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_ConversionOfStockSharesIssuedUponConversion_c4c4350e-fb69-46e6-bb65-812c1e8e763b" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_e0fb7d62-03e7-4b9d-96bf-d18385959d0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_e0fb7d62-03e7-4b9d-96bf-d18385959d0a" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_CommonStockNumberOfVotes_4221c1e3-1b1a-4c89-bb2b-b4e5a84b7821" xlink:href="para-20250630.xsd#para_CommonStockNumberOfVotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_CommonStockNumberOfVotes_4221c1e3-1b1a-4c89-bb2b-b4e5a84b7821" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_e985d284-b882-4bae-aa36-c09a31372c13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_e985d284-b882-4bae-aa36-c09a31372c13" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TerminationFeeUnderSpecifiedCircumstances_46678114-5ded-4549-ab60-2f436dde51d5" xlink:href="para-20250630.xsd#para_TerminationFeeUnderSpecifiedCircumstances"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_para_TerminationFeeUnderSpecifiedCircumstances_46678114-5ded-4549-ab60-2f436dde51d5" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_d28d50eb-533a-4eb3-94cb-877a2af77c31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_d28d50eb-533a-4eb3-94cb-877a2af77c31" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_94fffeb8-fab6-41ac-a1b0-463fdcd5900e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_41171034-22bd-4a77-848c-bb6bdbbb1d0f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_94fffeb8-fab6-41ac-a1b0-463fdcd5900e" xlink:type="arc" order="17"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/PROGRAMMINGANDOTHERINVENTORYScheduleofProgrammingandOtherInventoryDetails" xlink:type="simple" xlink:href="para-20250630.xsd#PROGRAMMINGANDOTHERINVENTORYScheduleofProgrammingandOtherInventoryDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/PROGRAMMINGANDOTHERINVENTORYScheduleofProgrammingandOtherInventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryCurrentTable_edd515c7-bc08-46d7-a4c3-0d73321b55c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryCurrentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_InventoryCurrentTable_edd515c7-bc08-46d7-a4c3-0d73321b55c4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryAxis_bcd2e805-2798-46ec-be14-8ddb9a1bbc0b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesInventoryAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_edd515c7-bc08-46d7-a4c3-0d73321b55c4" xlink:to="loc_us-gaap_PublicUtilitiesInventoryAxis_bcd2e805-2798-46ec-be14-8ddb9a1bbc0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_bcd2e805-2798-46ec-be14-8ddb9a1bbc0b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_bcd2e805-2798-46ec-be14-8ddb9a1bbc0b" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_bcd2e805-2798-46ec-be14-8ddb9a1bbc0b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_56f07c36-75f4-41c7-9713-c1a783c58290" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_bcd2e805-2798-46ec-be14-8ddb9a1bbc0b" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_56f07c36-75f4-41c7-9713-c1a783c58290" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_InternallyProducedTelevisionAndFilmProgrammingMember_52d2f8bd-d31b-400c-9776-d173b25ece3b" xlink:href="para-20250630.xsd#para_InternallyProducedTelevisionAndFilmProgrammingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_56f07c36-75f4-41c7-9713-c1a783c58290" xlink:to="loc_para_InternallyProducedTelevisionAndFilmProgrammingMember_52d2f8bd-d31b-400c-9776-d173b25ece3b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmInventoryMember_a38b2c2e-aed2-4d0c-b3aa-937398c7538d" xlink:href="para-20250630.xsd#para_FilmInventoryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_56f07c36-75f4-41c7-9713-c1a783c58290" xlink:to="loc_para_FilmInventoryMember_a38b2c2e-aed2-4d0c-b3aa-937398c7538d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_InternallyProducedTelevisionProgrammingMember_8d9a3056-b10f-4d16-b008-fa4e209d46bc" xlink:href="para-20250630.xsd#para_InternallyProducedTelevisionProgrammingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_56f07c36-75f4-41c7-9713-c1a783c58290" xlink:to="loc_para_InternallyProducedTelevisionProgrammingMember_8d9a3056-b10f-4d16-b008-fa4e209d46bc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntertainmentLicenseAgreementForProgramMaterialCapitalizedCost_b4b8549a-5f05-4d3a-9b0e-d6986635a0a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EntertainmentLicenseAgreementForProgramMaterialCapitalizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_EntertainmentLicenseAgreementForProgramMaterialCapitalizedCost_b4b8549a-5f05-4d3a-9b0e-d6986635a0a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FilmMonetizedInFilmGroupCapitalizedCostReleased_7c16aa69-91c9-498d-bd71-08f45ebe0eca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FilmMonetizedInFilmGroupCapitalizedCostReleased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_FilmMonetizedInFilmGroupCapitalizedCostReleased_7c16aa69-91c9-498d-bd71-08f45ebe0eca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FilmMonetizedInFilmGroupCapitalizedCostProduction_544d9dce-f891-4294-b27e-0ec05bcade2f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FilmMonetizedInFilmGroupCapitalizedCostProduction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_FilmMonetizedInFilmGroupCapitalizedCostProduction_544d9dce-f891-4294-b27e-0ec05bcade2f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_AcquiredTelevisionLibraryMonetizedOnItsOwn_155c9f26-caae-469f-bcbc-c34514f0091e" xlink:href="para-20250630.xsd#para_AcquiredTelevisionLibraryMonetizedOnItsOwn"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_para_AcquiredTelevisionLibraryMonetizedOnItsOwn_155c9f26-caae-469f-bcbc-c34514f0091e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FilmMonetizedOnItsOwnCapitalizedCostReleased_8cc58140-1162-431e-b62d-52a85eaa398d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FilmMonetizedOnItsOwnCapitalizedCostReleased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_FilmMonetizedOnItsOwnCapitalizedCostReleased_8cc58140-1162-431e-b62d-52a85eaa398d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FilmMonetizedOnItsOwnCapitalizedCostCompletedAndNotReleased_cf1898df-edeb-4676-be77-c3379eeb7c1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FilmMonetizedOnItsOwnCapitalizedCostCompletedAndNotReleased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_FilmMonetizedOnItsOwnCapitalizedCostCompletedAndNotReleased_cf1898df-edeb-4676-be77-c3379eeb7c1b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FilmMonetizedOnItsOwnCapitalizedCostProduction_dffbae31-7e60-4c17-bfec-ffe54ab00f85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FilmMonetizedOnItsOwnCapitalizedCostProduction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_FilmMonetizedOnItsOwnCapitalizedCostProduction_dffbae31-7e60-4c17-bfec-ffe54ab00f85" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_HomeEntertainmentInventoryMonetizedOnItsOwnNetOfAllowances_e6a85529-fb26-49fe-a69e-9e213f352a71" xlink:href="para-20250630.xsd#para_HomeEntertainmentInventoryMonetizedOnItsOwnNetOfAllowances"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_para_HomeEntertainmentInventoryMonetizedOnItsOwnNetOfAllowances_e6a85529-fb26-49fe-a69e-9e213f352a71" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FilmCosts_f58001b5-caf6-4413-b82f-010b7e3c4389" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FilmCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_us-gaap_FilmCosts_f58001b5-caf6-4413-b82f-010b7e3c4389" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmCapitalizedCostCurrent_5278a1d4-700a-456b-b66b-9765dc4659ad" xlink:href="para-20250630.xsd#para_FilmCapitalizedCostCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_para_FilmCapitalizedCostCurrent_5278a1d4-700a-456b-b66b-9765dc4659ad" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmCapitalizedCostNoncurrent_633b3c1a-9084-46fc-ad61-636489ec540a" xlink:href="para-20250630.xsd#para_FilmCapitalizedCostNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_dbe6bce4-af43-4a9f-b374-200114b92c77" xlink:to="loc_para_FilmCapitalizedCostNoncurrent_633b3c1a-9084-46fc-ad61-636489ec540a" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_f66bfeb6-447a-4a8a-9411-7264a66a639d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_f66bfeb6-447a-4a8a-9411-7264a66a639d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_f66bfeb6-447a-4a8a-9411-7264a66a639d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_f66bfeb6-447a-4a8a-9411-7264a66a639d" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_f66bfeb6-447a-4a8a-9411-7264a66a639d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_55b1a880-3a5d-4313-ab1c-afb4f5007045" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_f66bfeb6-447a-4a8a-9411-7264a66a639d" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_55b1a880-3a5d-4313-ab1c-afb4f5007045" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_18b84775-3844-45b9-861e-2954f6bdda6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_55b1a880-3a5d-4313-ab1c-afb4f5007045" xlink:to="loc_us-gaap_EmployeeSeveranceMember_18b84775-3844-45b9-861e-2954f6bdda6f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReportingUnitAxis_4fa0b6c6-489e-413d-a499-52d284d3ae2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReportingUnitAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:to="loc_us-gaap_ReportingUnitAxis_4fa0b6c6-489e-413d-a499-52d284d3ae2d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReportingUnitDomain_4fa0b6c6-489e-413d-a499-52d284d3ae2d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReportingUnitDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReportingUnitAxis_4fa0b6c6-489e-413d-a499-52d284d3ae2d" xlink:to="loc_us-gaap_ReportingUnitDomain_4fa0b6c6-489e-413d-a499-52d284d3ae2d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReportingUnitDomain_d1ef3e04-21b7-45c5-a5e5-d5b239be0b85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReportingUnitDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReportingUnitAxis_4fa0b6c6-489e-413d-a499-52d284d3ae2d" xlink:to="loc_us-gaap_ReportingUnitDomain_d1ef3e04-21b7-45c5-a5e5-d5b239be0b85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_CableNetworksMember_bf67d4b5-9f0e-4dc8-b719-85e080ebf8f4" xlink:href="para-20250630.xsd#para_CableNetworksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReportingUnitDomain_d1ef3e04-21b7-45c5-a5e5-d5b239be0b85" xlink:to="loc_para_CableNetworksMember_bf67d4b5-9f0e-4dc8-b719-85e080ebf8f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_4d35a69e-5fdf-4815-bf24-4e01e5430fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_4d35a69e-5fdf-4815-bf24-4e01e5430fcf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_4d35a69e-5fdf-4815-bf24-4e01e5430fcf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4d35a69e-5fdf-4815-bf24-4e01e5430fcf" xlink:to="loc_us-gaap_SegmentDomain_4d35a69e-5fdf-4815-bf24-4e01e5430fcf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_b5b76469-b15f-4e15-9187-72b85042413b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4d35a69e-5fdf-4815-bf24-4e01e5430fcf" xlink:to="loc_us-gaap_SegmentDomain_b5b76469-b15f-4e15-9187-72b85042413b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TVMediaSegmentMember_bc9d0a82-1b88-4c8d-ae04-a94673d46cf6" xlink:href="para-20250630.xsd#para_TVMediaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_b5b76469-b15f-4e15-9187-72b85042413b" xlink:to="loc_para_TVMediaSegmentMember_bc9d0a82-1b88-4c8d-ae04-a94673d46cf6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_af698e64-b527-4760-a8cd-73fc3ab191e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_af698e64-b527-4760-a8cd-73fc3ab191e2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_af698e64-b527-4760-a8cd-73fc3ab191e2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_af698e64-b527-4760-a8cd-73fc3ab191e2" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_af698e64-b527-4760-a8cd-73fc3ab191e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_e10369e2-33a3-4591-83c3-caa80cf1c0a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_af698e64-b527-4760-a8cd-73fc3ab191e2" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_e10369e2-33a3-4591-83c3-caa80cf1c0a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputDiscountRateMember_5d8430dc-f7d7-400d-ad08-1f1ef45df9d4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MeasurementInputDiscountRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_e10369e2-33a3-4591-83c3-caa80cf1c0a4" xlink:to="loc_us-gaap_MeasurementInputDiscountRateMember_5d8430dc-f7d7-400d-ad08-1f1ef45df9d4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputLongTermRevenueGrowthRateMember_3471e20e-e104-4a78-9f57-ac3a637bbac7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MeasurementInputLongTermRevenueGrowthRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_e10369e2-33a3-4591-83c3-caa80cf1c0a4" xlink:to="loc_us-gaap_MeasurementInputLongTermRevenueGrowthRateMember_3471e20e-e104-4a78-9f57-ac3a637bbac7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_4702f58c-9e84-4ca9-ad50-8c0a3f9344b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_4702f58c-9e84-4ca9-ad50-8c0a3f9344b8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_4702f58c-9e84-4ca9-ad50-8c0a3f9344b8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_4702f58c-9e84-4ca9-ad50-8c0a3f9344b8" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_4702f58c-9e84-4ca9-ad50-8c0a3f9344b8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_50b7f613-1152-49c9-9df1-3745daa402c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_4702f58c-9e84-4ca9-ad50-8c0a3f9344b8" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_50b7f613-1152-49c9-9df1-3745daa402c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingAndBroadcastRightsMember_f443a067-e34a-4c11-80c1-30982da70486" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingAndBroadcastRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_50b7f613-1152-49c9-9df1-3745daa402c2" xlink:to="loc_us-gaap_OperatingAndBroadcastRightsMember_f443a067-e34a-4c11-80c1-30982da70486" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ConcentrationRiskNumberOfMarketsAxis_28c22845-dbe4-4769-a03d-40f476e1b479" xlink:href="para-20250630.xsd#para_ConcentrationRiskNumberOfMarketsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_c74c8c10-125a-4183-b2af-5ac1620ff218" xlink:to="loc_para_ConcentrationRiskNumberOfMarketsAxis_28c22845-dbe4-4769-a03d-40f476e1b479" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ConcentrationRiskNumberOfMarketsDomain_28c22845-dbe4-4769-a03d-40f476e1b479_default" xlink:href="para-20250630.xsd#para_ConcentrationRiskNumberOfMarketsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_para_ConcentrationRiskNumberOfMarketsAxis_28c22845-dbe4-4769-a03d-40f476e1b479" xlink:to="loc_para_ConcentrationRiskNumberOfMarketsDomain_28c22845-dbe4-4769-a03d-40f476e1b479_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ConcentrationRiskNumberOfMarketsDomain_54cfacb5-4fc2-4f92-be3a-64263d66f3f6" xlink:href="para-20250630.xsd#para_ConcentrationRiskNumberOfMarketsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_para_ConcentrationRiskNumberOfMarketsAxis_28c22845-dbe4-4769-a03d-40f476e1b479" xlink:to="loc_para_ConcentrationRiskNumberOfMarketsDomain_54cfacb5-4fc2-4f92-be3a-64263d66f3f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_SixMarketsMember_39520140-5b1c-4b79-8c54-97b21c92d86d" xlink:href="para-20250630.xsd#para_SixMarketsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_para_ConcentrationRiskNumberOfMarketsDomain_54cfacb5-4fc2-4f92-be3a-64263d66f3f6" xlink:to="loc_para_SixMarketsMember_39520140-5b1c-4b79-8c54-97b21c92d86d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TwoMarketsMember_3b3c69d2-0994-4a07-bb5d-d270854fcef0" xlink:href="para-20250630.xsd#para_TwoMarketsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_para_ConcentrationRiskNumberOfMarketsDomain_54cfacb5-4fc2-4f92-be3a-64263d66f3f6" xlink:to="loc_para_TwoMarketsMember_3b3c69d2-0994-4a07-bb5d-d270854fcef0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ImpairmentTestNumberOfQuantitativeAssessmentsPerformed_aa4db49a-86c0-4865-8358-eef892655eba" xlink:href="para-20250630.xsd#para_ImpairmentTestNumberOfQuantitativeAssessmentsPerformed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_para_ImpairmentTestNumberOfQuantitativeAssessmentsPerformed_aa4db49a-86c0-4865-8358-eef892655eba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_IntangibleAssetMeasurementInput_d156e6fa-5902-454a-98c4-eed12a6bc32c" xlink:href="para-20250630.xsd#para_IntangibleAssetMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_para_IntangibleAssetMeasurementInput_d156e6fa-5902-454a-98c4-eed12a6bc32c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_IndefiniteLivedIntangibleAssetsCarryingAmountInExcessOfFairValueNumberOfMarkets_19131205-2c67-42ef-a7cf-2e9baea19967" xlink:href="para-20250630.xsd#para_IndefiniteLivedIntangibleAssetsCarryingAmountInExcessOfFairValueNumberOfMarkets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_para_IndefiniteLivedIntangibleAssetsCarryingAmountInExcessOfFairValueNumberOfMarkets_19131205-2c67-42ef-a7cf-2e9baea19967" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_096b09b8-4243-47b8-8c75-a479d3d25fee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill_096b09b8-4243-47b8-8c75-a479d3d25fee" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_285de425-7a13-4868-829d-9ba24473099d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_285de425-7a13-4868-829d-9ba24473099d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_989a456d-9550-4a43-957c-97e87d1ba49a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_989a456d-9550-4a43-957c-97e87d1ba49a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_907e206a-fbcb-4ffd-9546-3f6a5107ef52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_us-gaap_RestructuringCharges_907e206a-fbcb-4ffd-9546-3f6a5107ef52" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TransactionRelatedItemsCostBenefit_74dc8421-85bc-4b8c-a91f-ab77d7402234" xlink:href="para-20250630.xsd#para_TransactionRelatedItemsCostBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_d5be3879-dbaf-4b0d-ad11-68fcb781c8f3" xlink:to="loc_para_TransactionRelatedItemsCostBenefit_74dc8421-85bc-4b8c-a91f-ab77d7402234" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSScheduleofRestructuringChargesTransactionCostsDetails" xlink:type="simple" xlink:href="para-20250630.xsd#IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSScheduleofRestructuringChargesTransactionCostsDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSScheduleofRestructuringChargesTransactionCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_cbdecd74-1eb4-4473-a591-974ca1967516" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_da68dd1a-c636-4897-97e8-95507ba736d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_cbdecd74-1eb4-4473-a591-974ca1967516" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_da68dd1a-c636-4897-97e8-95507ba736d3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_77ebb9ed-7fab-45e4-b6be-ff7d044bba5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_da68dd1a-c636-4897-97e8-95507ba736d3" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_77ebb9ed-7fab-45e4-b6be-ff7d044bba5f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_77ebb9ed-7fab-45e4-b6be-ff7d044bba5f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_77ebb9ed-7fab-45e4-b6be-ff7d044bba5f" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_77ebb9ed-7fab-45e4-b6be-ff7d044bba5f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_b21a6333-01b9-4675-ae75-9f21cc455782" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_77ebb9ed-7fab-45e4-b6be-ff7d044bba5f" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_b21a6333-01b9-4675-ae75-9f21cc455782" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_f33b8b0c-da00-4a39-ae91-2173d4c3e336" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_b21a6333-01b9-4675-ae75-9f21cc455782" xlink:to="loc_us-gaap_EmployeeSeveranceMember_f33b8b0c-da00-4a39-ae91-2173d4c3e336" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_BusinessExitCostsMember_f3d27c63-f985-4454-b94d-388e24761f82" xlink:href="para-20250630.xsd#para_BusinessExitCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_b21a6333-01b9-4675-ae75-9f21cc455782" xlink:to="loc_para_BusinessExitCostsMember_f3d27c63-f985-4454-b94d-388e24761f82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_46357b37-d727-4298-97cb-b627582b1bc9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_cbdecd74-1eb4-4473-a591-974ca1967516" xlink:to="loc_us-gaap_RestructuringCharges_46357b37-d727-4298-97cb-b627582b1bc9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TransactionRelatedItemsCostBenefit_911196d9-0cf4-4ce9-971a-8306a22f8a57" xlink:href="para-20250630.xsd#para_TransactionRelatedItemsCostBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_cbdecd74-1eb4-4473-a591-974ca1967516" xlink:to="loc_para_TransactionRelatedItemsCostBenefit_911196d9-0cf4-4ce9-971a-8306a22f8a57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_RestructuringAndTransactionRelatedItems_79dce7aa-28ac-483f-a8ac-415f5dfae4f7" xlink:href="para-20250630.xsd#para_RestructuringAndTransactionRelatedItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_cbdecd74-1eb4-4473-a591-974ca1967516" xlink:to="loc_para_RestructuringAndTransactionRelatedItems_79dce7aa-28ac-483f-a8ac-415f5dfae4f7" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSScheduleofRollforwardofRestructuringLiabilityDetails" xlink:type="simple" xlink:href="para-20250630.xsd#IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSScheduleofRollforwardofRestructuringLiabilityDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/IMPAIRMENTRESTRUCTURINGANDTRANSACTIONRELATEDITEMSScheduleofRollforwardofRestructuringLiabilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_4b4d105d-e4d6-41d7-a8fc-8ce06a5ca73d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4338f160-f200-4987-9ced-717714a6c973" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_4b4d105d-e4d6-41d7-a8fc-8ce06a5ca73d" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4338f160-f200-4987-9ced-717714a6c973" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_d358040c-0666-46ea-b30e-7a16423ce268" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4338f160-f200-4987-9ced-717714a6c973" xlink:to="loc_srt_ConsolidationItemsAxis_d358040c-0666-46ea-b30e-7a16423ce268" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_d358040c-0666-46ea-b30e-7a16423ce268_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_d358040c-0666-46ea-b30e-7a16423ce268" xlink:to="loc_srt_ConsolidationItemsDomain_d358040c-0666-46ea-b30e-7a16423ce268_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_037cd0a3-f293-43c8-97c3-3078f6ae4f89" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_d358040c-0666-46ea-b30e-7a16423ce268" xlink:to="loc_srt_ConsolidationItemsDomain_037cd0a3-f293-43c8-97c3-3078f6ae4f89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_fba60224-fe25-42db-acc8-8fb062df5402" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_037cd0a3-f293-43c8-97c3-3078f6ae4f89" xlink:to="loc_us-gaap_OperatingSegmentsMember_fba60224-fe25-42db-acc8-8fb062df5402" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_1942b32d-82b6-4e52-87ee-255fc206faa0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_037cd0a3-f293-43c8-97c3-3078f6ae4f89" xlink:to="loc_us-gaap_CorporateNonSegmentMember_1942b32d-82b6-4e52-87ee-255fc206faa0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_db42e500-7115-4ce0-95ef-6b82d510181a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4338f160-f200-4987-9ced-717714a6c973" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_db42e500-7115-4ce0-95ef-6b82d510181a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_db42e500-7115-4ce0-95ef-6b82d510181a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_db42e500-7115-4ce0-95ef-6b82d510181a" xlink:to="loc_us-gaap_SegmentDomain_db42e500-7115-4ce0-95ef-6b82d510181a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_6c60c740-23c5-4454-8719-52d3f2484e96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_db42e500-7115-4ce0-95ef-6b82d510181a" xlink:to="loc_us-gaap_SegmentDomain_6c60c740-23c5-4454-8719-52d3f2484e96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TVMediaSegmentMember_cfe68f6d-e88d-44b8-a8a2-944ac4583131" xlink:href="para-20250630.xsd#para_TVMediaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6c60c740-23c5-4454-8719-52d3f2484e96" xlink:to="loc_para_TVMediaSegmentMember_cfe68f6d-e88d-44b8-a8a2-944ac4583131" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_DirectToConsumerSegmentMember_d1d1eb91-b621-413c-aed5-240f9e790375" xlink:href="para-20250630.xsd#para_DirectToConsumerSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6c60c740-23c5-4454-8719-52d3f2484e96" xlink:to="loc_para_DirectToConsumerSegmentMember_d1d1eb91-b621-413c-aed5-240f9e790375" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmedEntertainmentSegmentMember_73fae75d-84bb-486c-aab8-974d7b29f7f8" xlink:href="para-20250630.xsd#para_FilmedEntertainmentSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_6c60c740-23c5-4454-8719-52d3f2484e96" xlink:to="loc_para_FilmedEntertainmentSegmentMember_73fae75d-84bb-486c-aab8-974d7b29f7f8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_644e687a-54a9-4ba3-9391-f23f591b1484" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4338f160-f200-4987-9ced-717714a6c973" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_644e687a-54a9-4ba3-9391-f23f591b1484" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_644e687a-54a9-4ba3-9391-f23f591b1484_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_644e687a-54a9-4ba3-9391-f23f591b1484" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_644e687a-54a9-4ba3-9391-f23f591b1484_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_95f7b280-ec56-4208-8e39-70028fd74761" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_644e687a-54a9-4ba3-9391-f23f591b1484" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_95f7b280-ec56-4208-8e39-70028fd74761" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_RestructuringAndTransactionRelatedItemsMember_c5a04a6f-3c82-43eb-976e-8aeeb1904b2f" xlink:href="para-20250630.xsd#para_RestructuringAndTransactionRelatedItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_95f7b280-ec56-4208-8e39-70028fd74761" xlink:to="loc_para_RestructuringAndTransactionRelatedItemsMember_c5a04a6f-3c82-43eb-976e-8aeeb1904b2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_afc69dc9-3c8a-4866-aedc-5918478c2ebc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_4b4d105d-e4d6-41d7-a8fc-8ce06a5ca73d" xlink:to="loc_us-gaap_RestructuringReserveRollForward_afc69dc9-3c8a-4866-aedc-5918478c2ebc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_20bd3b48-8cf3-411b-a05f-9cf90ad13d15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_afc69dc9-3c8a-4866-aedc-5918478c2ebc" xlink:to="loc_us-gaap_RestructuringReserve_20bd3b48-8cf3-411b-a05f-9cf90ad13d15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_RestructuringChargesExcludingStockBasedCompensationExpense_741c6ecb-d8f3-4266-a39d-222934e2db10" xlink:href="para-20250630.xsd#para_RestructuringChargesExcludingStockBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_afc69dc9-3c8a-4866-aedc-5918478c2ebc" xlink:to="loc_para_RestructuringChargesExcludingStockBasedCompensationExpense_741c6ecb-d8f3-4266-a39d-222934e2db10" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_e64d5e6b-cb96-4eb1-9716-36043a8fe20f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_afc69dc9-3c8a-4866-aedc-5918478c2ebc" xlink:to="loc_us-gaap_PaymentsForRestructuring_e64d5e6b-cb96-4eb1-9716-36043a8fe20f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_690a4096-93c3-4401-9e05-130726a6ca2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringReserve"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_9d5d4788-2e68-4341-8699-10effa21e6fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_4b4d105d-e4d6-41d7-a8fc-8ce06a5ca73d" xlink:to="loc_us-gaap_ShareBasedCompensation_9d5d4788-2e68-4341-8699-10effa21e6fa" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/RELATEDPARTIESNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#RELATEDPARTIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/RELATEDPARTIESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_0d4cde45-f20a-4425-bf62-f230ddbbf967" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2206df9d-4507-4e3a-9208-66a0cf5796fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0d4cde45-f20a-4425-bf62-f230ddbbf967" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2206df9d-4507-4e3a-9208-66a0cf5796fd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f4d43e26-7515-4084-911b-f6129ef43f1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_2206df9d-4507-4e3a-9208-66a0cf5796fd" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f4d43e26-7515-4084-911b-f6129ef43f1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_f4d43e26-7515-4084-911b-f6129ef43f1f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f4d43e26-7515-4084-911b-f6129ef43f1f" xlink:to="loc_us-gaap_RelatedPartyDomain_f4d43e26-7515-4084-911b-f6129ef43f1f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_20e2986f-c7c4-4252-9ebc-4b2672f1011e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f4d43e26-7515-4084-911b-f6129ef43f1f" xlink:to="loc_us-gaap_RelatedPartyDomain_20e2986f-c7c4-4252-9ebc-4b2672f1011e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MajorityShareholderMember_a90e7725-c2d2-4f95-82c3-502faf5d9b27" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MajorityShareholderMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_20e2986f-c7c4-4252-9ebc-4b2672f1011e" xlink:to="loc_us-gaap_MajorityShareholderMember_a90e7725-c2d2-4f95-82c3-502faf5d9b27" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_OwnershipPercentOfClassAStockByControllingStockholder_50652a39-7fbf-40c6-bce3-f52652210dcd" xlink:href="para-20250630.xsd#para_OwnershipPercentOfClassAStockByControllingStockholder"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0d4cde45-f20a-4425-bf62-f230ddbbf967" xlink:to="loc_para_OwnershipPercentOfClassAStockByControllingStockholder_50652a39-7fbf-40c6-bce3-f52652210dcd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_OwnershipPercentOfClassAAndClassBStockByControllingStockholder_f0c1d10c-b7ee-4092-ac46-2337a0ce242d" xlink:href="para-20250630.xsd#para_OwnershipPercentOfClassAAndClassBStockByControllingStockholder"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0d4cde45-f20a-4425-bf62-f230ddbbf967" xlink:to="loc_para_OwnershipPercentOfClassAAndClassBStockByControllingStockholder_f0c1d10c-b7ee-4092-ac46-2337a0ce242d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_GeneralTrustOwnershipPercentageInControllingStockholder_4143093a-a306-4a60-80f1-ec8d657483e4" xlink:href="para-20250630.xsd#para_GeneralTrustOwnershipPercentageInControllingStockholder"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0d4cde45-f20a-4425-bf62-f230ddbbf967" xlink:to="loc_para_GeneralTrustOwnershipPercentageInControllingStockholder_4143093a-a306-4a60-80f1-ec8d657483e4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_NumberOfTrustees_8819fb0e-478f-4c6a-8fab-eb7582826c0f" xlink:href="para-20250630.xsd#para_NumberOfTrustees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0d4cde45-f20a-4425-bf62-f230ddbbf967" xlink:to="loc_para_NumberOfTrustees_8819fb0e-478f-4c6a-8fab-eb7582826c0f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_NumberOfBeneficiaryTrustees_f922aeb2-9787-4bd8-9679-1c370d1f5452" xlink:href="para-20250630.xsd#para_NumberOfBeneficiaryTrustees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0d4cde45-f20a-4425-bf62-f230ddbbf967" xlink:to="loc_para_NumberOfBeneficiaryTrustees_f922aeb2-9787-4bd8-9679-1c370d1f5452" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/RELATEDPARTIESScheduleofRelatedPartyTransactionsDetails" xlink:type="simple" xlink:href="para-20250630.xsd#RELATEDPARTIESScheduleofRelatedPartyTransactionsDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/RELATEDPARTIESScheduleofRelatedPartyTransactionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_c19b1fbc-08ad-487a-9209-abbf06c690d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_bab7752c-cea0-4916-a771-8afccf3bc243" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c19b1fbc-08ad-487a-9209-abbf06c690d5" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_bab7752c-cea0-4916-a771-8afccf3bc243" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9d689df4-ce91-4aef-a291-742b1512e5de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_bab7752c-cea0-4916-a771-8afccf3bc243" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9d689df4-ce91-4aef-a291-742b1512e5de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_9d689df4-ce91-4aef-a291-742b1512e5de_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9d689df4-ce91-4aef-a291-742b1512e5de" xlink:to="loc_us-gaap_RelatedPartyDomain_9d689df4-ce91-4aef-a291-742b1512e5de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_93a3c42d-c09a-48ad-af73-a921d66eb47c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_9d689df4-ce91-4aef-a291-742b1512e5de" xlink:to="loc_us-gaap_RelatedPartyDomain_93a3c42d-c09a-48ad-af73-a921d66eb47c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_6a4bc19d-ae0b-4197-b9ad-e70e91ed9ac2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_93a3c42d-c09a-48ad-af73-a921d66eb47c" xlink:to="loc_us-gaap_RelatedPartyMember_6a4bc19d-ae0b-4197-b9ad-e70e91ed9ac2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d99b5563-2b4d-4e58-8a29-17aa8b4e8eb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c19b1fbc-08ad-487a-9209-abbf06c690d5" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d99b5563-2b4d-4e58-8a29-17aa8b4e8eb2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectOperatingCosts_37faa83e-1d7a-4e8b-a879-dfa639f50ba0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DirectOperatingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c19b1fbc-08ad-487a-9209-abbf06c690d5" xlink:to="loc_us-gaap_DirectOperatingCosts_37faa83e-1d7a-4e8b-a879-dfa639f50ba0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_af62c4fe-ad5e-481a-b0dd-30c7d01f995d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c19b1fbc-08ad-487a-9209-abbf06c690d5" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_af62c4fe-ad5e-481a-b0dd-30c7d01f995d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_0b867f0b-d8b2-45e2-a484-f41876706918" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_c19b1fbc-08ad-487a-9209-abbf06c690d5" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_0b867f0b-d8b2-45e2-a484-f41876706918" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/REVENUESScheduleofDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="para-20250630.xsd#REVENUESScheduleofDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/REVENUESScheduleofDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_5923d6a6-5a87-4c7a-95ba-87a019dc4263" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_caef80d6-41da-4a3b-aed3-415f0a10e736" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5923d6a6-5a87-4c7a-95ba-87a019dc4263" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_caef80d6-41da-4a3b-aed3-415f0a10e736" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_e24ef1a1-9bed-47e5-8acf-58f2bb1267f0" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_caef80d6-41da-4a3b-aed3-415f0a10e736" xlink:to="loc_srt_ProductOrServiceAxis_e24ef1a1-9bed-47e5-8acf-58f2bb1267f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e24ef1a1-9bed-47e5-8acf-58f2bb1267f0_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_e24ef1a1-9bed-47e5-8acf-58f2bb1267f0" xlink:to="loc_srt_ProductsAndServicesDomain_e24ef1a1-9bed-47e5-8acf-58f2bb1267f0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_c63ca9e6-aac2-4d1a-886d-0c0d18ef5154" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_e24ef1a1-9bed-47e5-8acf-58f2bb1267f0" xlink:to="loc_srt_ProductsAndServicesDomain_c63ca9e6-aac2-4d1a-886d-0c0d18ef5154" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingMember_fc95da3d-e8a4-4b25-942c-d8c3723aecf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdvertisingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_c63ca9e6-aac2-4d1a-886d-0c0d18ef5154" xlink:to="loc_us-gaap_AdvertisingMember_fc95da3d-e8a4-4b25-942c-d8c3723aecf3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_AffiliateAndSubscriptionMember_4bef984c-7f18-445f-86ae-17aa34ae33f9" xlink:href="para-20250630.xsd#para_AffiliateAndSubscriptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_c63ca9e6-aac2-4d1a-886d-0c0d18ef5154" xlink:to="loc_para_AffiliateAndSubscriptionMember_4bef984c-7f18-445f-86ae-17aa34ae33f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TheatricalMember_5a7efeb8-f731-4cce-88b2-b27c5e02477f" xlink:href="para-20250630.xsd#para_TheatricalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_c63ca9e6-aac2-4d1a-886d-0c0d18ef5154" xlink:to="loc_para_TheatricalMember_5a7efeb8-f731-4cce-88b2-b27c5e02477f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_LicensingAndOtherMember_c23fd847-3a09-4b2a-b51b-3406c761e3a0" xlink:href="para-20250630.xsd#para_LicensingAndOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_c63ca9e6-aac2-4d1a-886d-0c0d18ef5154" xlink:to="loc_para_LicensingAndOtherMember_c23fd847-3a09-4b2a-b51b-3406c761e3a0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0fc400c1-7a00-4f25-b720-9d3ee4ec1247" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_5923d6a6-5a87-4c7a-95ba-87a019dc4263" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_0fc400c1-7a00-4f25-b720-9d3ee4ec1247" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/REVENUESNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#REVENUESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/REVENUESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_90b0efb5-f810-47da-af9d-0cd79fd6eca1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_90b0efb5-f810-47da-af9d-0cd79fd6eca1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_90b0efb5-f810-47da-af9d-0cd79fd6eca1" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_9f9a3765-c514-42ac-951a-2214b828c5a2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_9f9a3765-c514-42ac-951a-2214b828c5a2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_362b3c07-4a51-4e37-b2c7-7b7cb0788bda" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_362b3c07-4a51-4e37-b2c7-7b7cb0788bda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_e9beefd5-8229-4921-ae6b-5c37338b8eee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_362b3c07-4a51-4e37-b2c7-7b7cb0788bda" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_e9beefd5-8229-4921-ae6b-5c37338b8eee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_0cc92c32-f55e-4833-a1c2-a75be9c98171" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_90b0efb5-f810-47da-af9d-0cd79fd6eca1" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_0cc92c32-f55e-4833-a1c2-a75be9c98171" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2b3fe838-b26a-4e30-9f0b-1ab08fbef6e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2b3fe838-b26a-4e30-9f0b-1ab08fbef6e7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossNoncurrent_8f412af9-a705-4a77-bd7b-2f409b819387" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableGrossNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_AccountsReceivableGrossNoncurrent_8f412af9-a705-4a77-bd7b-2f409b819387" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_bec1ca7d-426a-4eb2-af96-81217b622bf1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_ContractWithCustomerLiability_bec1ca7d-426a-4eb2-af96-81217b622bf1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_93d8500e-41de-4651-ae00-cc641c67c6db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_93d8500e-41de-4651-ae00-cc641c67c6db" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_aee95d49-ac6e-4b62-88ed-879adb2c5886" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_aee95d49-ac6e-4b62-88ed-879adb2c5886" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_e88ffdba-ddde-48ef-859d-4377d269a9c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_e88ffdba-ddde-48ef-859d-4377d269a9c0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_a45b6fdd-0461-4122-aca0-437d933ac222" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_a45b6fdd-0461-4122-aca0-437d933ac222" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/REVENUESNarrativeDetails_1" xlink:type="simple" xlink:href="para-20250630.xsd#REVENUESNarrativeDetails_1"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/REVENUESNarrativeDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_90b0efb5-f810-47da-af9d-0cd79fd6eca1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_90b0efb5-f810-47da-af9d-0cd79fd6eca1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_90b0efb5-f810-47da-af9d-0cd79fd6eca1" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_9f9a3765-c514-42ac-951a-2214b828c5a2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_9f9a3765-c514-42ac-951a-2214b828c5a2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_362b3c07-4a51-4e37-b2c7-7b7cb0788bda" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_9f9a3765-c514-42ac-951a-2214b828c5a2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_362b3c07-4a51-4e37-b2c7-7b7cb0788bda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_e9beefd5-8229-4921-ae6b-5c37338b8eee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_362b3c07-4a51-4e37-b2c7-7b7cb0788bda" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_e9beefd5-8229-4921-ae6b-5c37338b8eee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2b3fe838-b26a-4e30-9f0b-1ab08fbef6e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2b3fe838-b26a-4e30-9f0b-1ab08fbef6e7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossNoncurrent_8f412af9-a705-4a77-bd7b-2f409b819387" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableGrossNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_AccountsReceivableGrossNoncurrent_8f412af9-a705-4a77-bd7b-2f409b819387" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_bec1ca7d-426a-4eb2-af96-81217b622bf1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_ContractWithCustomerLiability_bec1ca7d-426a-4eb2-af96-81217b622bf1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_93d8500e-41de-4651-ae00-cc641c67c6db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_93d8500e-41de-4651-ae00-cc641c67c6db" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_aee95d49-ac6e-4b62-88ed-879adb2c5886" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_aee95d49-ac6e-4b62-88ed-879adb2c5886" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_e88ffdba-ddde-48ef-859d-4377d269a9c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_e88ffdba-ddde-48ef-859d-4377d269a9c0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_a45b6fdd-0461-4122-aca0-437d933ac222" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_f54c7de0-010c-4dc7-aaf7-f52a7aaaa306" xlink:to="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_a45b6fdd-0461-4122-aca0-437d933ac222" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/DEBTScheduleofDebtDetails" xlink:type="simple" xlink:href="para-20250630.xsd#DEBTScheduleofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/DEBTScheduleofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_63cd2529-5740-49d3-b108-8c001bcbed1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_DebtInstrumentTable_63cd2529-5740-49d3-b108-8c001bcbed1a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_bd55b879-f400-4b36-be33-8cabeb4aec80" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_63cd2529-5740-49d3-b108-8c001bcbed1a" xlink:to="loc_us-gaap_DebtInstrumentAxis_bd55b879-f400-4b36-be33-8cabeb4aec80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_bd55b879-f400-4b36-be33-8cabeb4aec80_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_bd55b879-f400-4b36-be33-8cabeb4aec80" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_bd55b879-f400-4b36-be33-8cabeb4aec80_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_bd55b879-f400-4b36-be33-8cabeb4aec80" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A40SeniorNotesDue2026Member_52a3fdc8-5c5d-43ab-a886-07c7f327c833" xlink:href="para-20250630.xsd#para_A40SeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A40SeniorNotesDue2026Member_52a3fdc8-5c5d-43ab-a886-07c7f327c833" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A3.70SeniorNotesDue2026Member_f33e4b41-6bbc-47d0-8d38-83e3767bce62" xlink:href="para-20250630.xsd#para_A3.70SeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A3.70SeniorNotesDue2026Member_f33e4b41-6bbc-47d0-8d38-83e3767bce62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A290SeniorNotesDue2027Member_b270078b-ecd9-456e-b78b-548e1a816b2f" xlink:href="para-20250630.xsd#para_A290SeniorNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A290SeniorNotesDue2027Member_b270078b-ecd9-456e-b78b-548e1a816b2f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A3375SeniorNotesDue2028Member_df8ee18a-e5b6-40a1-a45f-f3f32b964d3c" xlink:href="para-20250630.xsd#para_A3375SeniorNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A3375SeniorNotesDue2028Member_df8ee18a-e5b6-40a1-a45f-f3f32b964d3c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A370SeniorNotesDue2028Member_fe00255c-3b26-4d91-81a2-d41b2feae4cf" xlink:href="para-20250630.xsd#para_A370SeniorNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A370SeniorNotesDue2028Member_fe00255c-3b26-4d91-81a2-d41b2feae4cf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A420SeniorNotesDue2029Member_d79edea5-78de-4524-9f18-97e3bfc2572c" xlink:href="para-20250630.xsd#para_A420SeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A420SeniorNotesDue2029Member_d79edea5-78de-4524-9f18-97e3bfc2572c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A7875SeniorDebenturesDue2030Member_a391c809-843c-4292-b71d-eafdf3cde671" xlink:href="para-20250630.xsd#para_A7875SeniorDebenturesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A7875SeniorDebenturesDue2030Member_a391c809-843c-4292-b71d-eafdf3cde671" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A495SeniorNotesDue2031Member_b22f1529-1da0-46e6-a805-b2dcbe9abfca" xlink:href="para-20250630.xsd#para_A495SeniorNotesDue2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A495SeniorNotesDue2031Member_b22f1529-1da0-46e6-a805-b2dcbe9abfca" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A420SeniorNotesDue2032Member_a054f00d-7560-48c7-a504-e8058c3af03c" xlink:href="para-20250630.xsd#para_A420SeniorNotesDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A420SeniorNotesDue2032Member_a054f00d-7560-48c7-a504-e8058c3af03c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A550SeniorDebenturesDue2033Member_434d215d-f996-4d99-b7dc-6d59add8d06a" xlink:href="para-20250630.xsd#para_A550SeniorDebenturesDue2033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A550SeniorDebenturesDue2033Member_434d215d-f996-4d99-b7dc-6d59add8d06a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A485SeniorDebenturesDue2034Member_f4f639b9-f302-4c6a-9c4a-51cdc969693c" xlink:href="para-20250630.xsd#para_A485SeniorDebenturesDue2034Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A485SeniorDebenturesDue2034Member_f4f639b9-f302-4c6a-9c4a-51cdc969693c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A6875SeniorDebenturesDue2036Member_7d3834d2-3c00-401a-886b-62187202b4da" xlink:href="para-20250630.xsd#para_A6875SeniorDebenturesDue2036Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A6875SeniorDebenturesDue2036Member_7d3834d2-3c00-401a-886b-62187202b4da" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A675SeniorDebenturesDue2037Member_6094474f-329b-4bf4-b5c2-142d795361eb" xlink:href="para-20250630.xsd#para_A675SeniorDebenturesDue2037Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A675SeniorDebenturesDue2037Member_6094474f-329b-4bf4-b5c2-142d795361eb" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A590SeniorNotesDue2040Member_c3f784dc-f472-4e10-8402-ba43eb2424c4" xlink:href="para-20250630.xsd#para_A590SeniorNotesDue2040Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A590SeniorNotesDue2040Member_c3f784dc-f472-4e10-8402-ba43eb2424c4" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A450SeniorDebenturesDue2042Member_fe771194-5b73-4dc2-bd98-7c2cac555d8b" xlink:href="para-20250630.xsd#para_A450SeniorDebenturesDue2042Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A450SeniorDebenturesDue2042Member_fe771194-5b73-4dc2-bd98-7c2cac555d8b" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A485SeniorNotesDue2042Member_f7361141-6a16-4a72-8530-4390f5733e7e" xlink:href="para-20250630.xsd#para_A485SeniorNotesDue2042Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A485SeniorNotesDue2042Member_f7361141-6a16-4a72-8530-4390f5733e7e" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A4375SeniorDebenturesDue2043Member_820b43ec-b786-404c-a907-1c801bfbfbc4" xlink:href="para-20250630.xsd#para_A4375SeniorDebenturesDue2043Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A4375SeniorDebenturesDue2043Member_820b43ec-b786-404c-a907-1c801bfbfbc4" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A4875SeniorDebenturesDue2043Member_43012c2f-1b15-450c-9f09-a15f9c1d16ef" xlink:href="para-20250630.xsd#para_A4875SeniorDebenturesDue2043Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A4875SeniorDebenturesDue2043Member_43012c2f-1b15-450c-9f09-a15f9c1d16ef" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A585SeniorDebenturesDue2043Member_43a08b2e-8b67-4207-8936-9e8c058cb3c7" xlink:href="para-20250630.xsd#para_A585SeniorDebenturesDue2043Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A585SeniorDebenturesDue2043Member_43a08b2e-8b67-4207-8936-9e8c058cb3c7" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A525SeniorDebenturesDue2044Member_6b300af9-5022-40a2-a57c-1c8fb9800078" xlink:href="para-20250630.xsd#para_A525SeniorDebenturesDue2044Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A525SeniorDebenturesDue2044Member_6b300af9-5022-40a2-a57c-1c8fb9800078" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A490SeniorNotesDue2044Member_d6c49f02-083b-4aac-83eb-97caa22afbdb" xlink:href="para-20250630.xsd#para_A490SeniorNotesDue2044Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A490SeniorNotesDue2044Member_d6c49f02-083b-4aac-83eb-97caa22afbdb" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A460SeniorNotesDue2045Member_d31efc49-dcae-4ff5-98f4-0cbc020d9b3e" xlink:href="para-20250630.xsd#para_A460SeniorNotesDue2045Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A460SeniorNotesDue2045Member_d31efc49-dcae-4ff5-98f4-0cbc020d9b3e" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A495SeniorNotesDue2050Member_d3ae5803-b3f9-4c87-8d26-3c203ffb1f6e" xlink:href="para-20250630.xsd#para_A495SeniorNotesDue2050Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A495SeniorNotesDue2050Member_d3ae5803-b3f9-4c87-8d26-3c203ffb1f6e" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A625JuniorSubordinatedDebenturesDue2057Member_29dae6a9-197b-434d-b82a-c3ca620799b7" xlink:href="para-20250630.xsd#para_A625JuniorSubordinatedDebenturesDue2057Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A625JuniorSubordinatedDebenturesDue2057Member_29dae6a9-197b-434d-b82a-c3ca620799b7" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_A6375JuniorSubordinatedDebenturesDue2062Member_511d367a-7cde-46c5-89ac-e68def8de3c7" xlink:href="para-20250630.xsd#para_A6375JuniorSubordinatedDebenturesDue2062Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dfe806ff-9d3f-4e4c-9463-a4a4087f4d34" xlink:to="loc_para_A6375JuniorSubordinatedDebenturesDue2062Member_511d367a-7cde-46c5-89ac-e68def8de3c7" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_051f19d2-ca4d-44ab-b54e-5fe1fc54257c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_051f19d2-ca4d-44ab-b54e-5fe1fc54257c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotes_2146a732-6e9b-41b4-b9b4-fcd28dba8225" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SeniorNotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_SeniorNotes_2146a732-6e9b-41b4-b9b4-fcd28dba8225" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JuniorSubordinatedNotes_3909503c-8833-4063-a2f3-92793f3803e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_JuniorSubordinatedNotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_JuniorSubordinatedNotes_3909503c-8833-4063-a2f3-92793f3803e9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_5b5e25ff-585f-43ac-a219-8b701b9d24c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_FinanceLeaseLiability_5b5e25ff-585f-43ac-a219-8b701b9d24c2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList_9029c3b4-7d98-406f-a660-730009ba18c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiability_5b5e25ff-585f-43ac-a219-8b701b9d24c2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList_9029c3b4-7d98-406f-a660-730009ba18c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_9295e63c-7c00-4efe-bbdd-7717d86ee423" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_9295e63c-7c00-4efe-bbdd-7717d86ee423" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_7508ce2f-62be-4079-9321-11ffb7e1151f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_7508ce2f-62be-4079-9321-11ffb7e1151f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_565a0ccc-1e67-420a-9d75-6507eaf3c9c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_565a0ccc-1e67-420a-9d75-6507eaf3c9c3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_ba636679-62b0-4a4a-8f0f-03867fafecb8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_ba636679-62b0-4a4a-8f0f-03867fafecb8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_aeb64363-fab1-4f64-8b18-1fca0321e5f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_aeb64363-fab1-4f64-8b18-1fca0321e5f5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_a1747784-943c-4116-a009-0cd17f20d59c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2f59c8ac-1f6b-453d-98dc-169cd2af2bd4" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_a1747784-943c-4116-a009-0cd17f20d59c" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/DEBTNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#DEBTNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/DEBTNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_1f84b0b7-439b-485a-b2f7-1d7f9dff0d40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_1f84b0b7-439b-485a-b2f7-1d7f9dff0d40" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_bc4c8f5a-b9dc-49e1-a23a-959174adc970" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_1f84b0b7-439b-485a-b2f7-1d7f9dff0d40" xlink:to="loc_us-gaap_CreditFacilityAxis_bc4c8f5a-b9dc-49e1-a23a-959174adc970" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_bc4c8f5a-b9dc-49e1-a23a-959174adc970_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_bc4c8f5a-b9dc-49e1-a23a-959174adc970" xlink:to="loc_us-gaap_CreditFacilityDomain_bc4c8f5a-b9dc-49e1-a23a-959174adc970_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_dc6e7a1f-712e-4ba4-b428-07bd28b10449" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_bc4c8f5a-b9dc-49e1-a23a-959174adc970" xlink:to="loc_us-gaap_CreditFacilityDomain_dc6e7a1f-712e-4ba4-b428-07bd28b10449" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_ca8ff49f-5ef2-4e42-b2b8-102a52d530b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_dc6e7a1f-712e-4ba4-b428-07bd28b10449" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_ca8ff49f-5ef2-4e42-b2b8-102a52d530b1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandbyLettersOfCreditMember_d1b8aa2f-cf64-466f-a2f2-43b1edfbba76" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StandbyLettersOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_dc6e7a1f-712e-4ba4-b428-07bd28b10449" xlink:to="loc_us-gaap_StandbyLettersOfCreditMember_d1b8aa2f-cf64-466f-a2f2-43b1edfbba76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_a9875593-34f4-4d5d-b8a0-372ce53cc356" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_1f84b0b7-439b-485a-b2f7-1d7f9dff0d40" xlink:to="loc_us-gaap_DebtInstrumentAxis_a9875593-34f4-4d5d-b8a0-372ce53cc356" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a9875593-34f4-4d5d-b8a0-372ce53cc356_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_a9875593-34f4-4d5d-b8a0-372ce53cc356" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a9875593-34f4-4d5d-b8a0-372ce53cc356_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_76250519-a267-416f-9d60-f85834cb45a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_a9875593-34f4-4d5d-b8a0-372ce53cc356" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_76250519-a267-416f-9d60-f85834cb45a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_CreditFacilityMember_18a69574-ee96-43c3-a6a3-1c21be475698" xlink:href="para-20250630.xsd#para_CreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_76250519-a267-416f-9d60-f85834cb45a3" xlink:to="loc_para_CreditFacilityMember_18a69574-ee96-43c3-a6a3-1c21be475698" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_MiramaxCreditFacilityMaturesNovember2025Member_ca960209-9b22-4343-8f5e-1f4c9d39ad37" xlink:href="para-20250630.xsd#para_MiramaxCreditFacilityMaturesNovember2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_76250519-a267-416f-9d60-f85834cb45a3" xlink:to="loc_para_MiramaxCreditFacilityMaturesNovember2025Member_ca960209-9b22-4343-8f5e-1f4c9d39ad37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_00ba057e-9f6d-4413-9d79-bb526d0c33aa" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_1f84b0b7-439b-485a-b2f7-1d7f9dff0d40" xlink:to="loc_srt_StatementScenarioAxis_00ba057e-9f6d-4413-9d79-bb526d0c33aa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_00ba057e-9f6d-4413-9d79-bb526d0c33aa_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_00ba057e-9f6d-4413-9d79-bb526d0c33aa" xlink:to="loc_srt_ScenarioUnspecifiedDomain_00ba057e-9f6d-4413-9d79-bb526d0c33aa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_32513c77-dbd4-4685-8ab9-33ff33a5c4fe" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_00ba057e-9f6d-4413-9d79-bb526d0c33aa" xlink:to="loc_srt_ScenarioUnspecifiedDomain_32513c77-dbd4-4685-8ab9-33ff33a5c4fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_205fe66f-bd31-40e2-84d5-41bbd5d5c6c9" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioForecastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_32513c77-dbd4-4685-8ab9-33ff33a5c4fe" xlink:to="loc_srt_ScenarioForecastMember_205fe66f-bd31-40e2-84d5-41bbd5d5c6c9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper_773c547d-fb4d-468e-9327-670c45f369ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPaper"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_us-gaap_CommercialPaper_773c547d-fb4d-468e-9327-670c45f369ae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_295f0a73-61f5-4933-8cbc-b5644bd7ba71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_295f0a73-61f5-4933-8cbc-b5644bd7ba71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_11b77dca-be66-4a81-a96b-68044a05c392" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_us-gaap_LineOfCredit_11b77dca-be66-4a81-a96b-68044a05c392" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_fe5472f7-0f9c-466e-9863-e7c953b6aed7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_fe5472f7-0f9c-466e-9863-e7c953b6aed7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_LineOfCreditFacilityCovenantMaximumConsolidatedLeverageRatio_0034b1b3-21a2-4448-800f-2408e5f1c2a2" xlink:href="para-20250630.xsd#para_LineOfCreditFacilityCovenantMaximumConsolidatedLeverageRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_para_LineOfCreditFacilityCovenantMaximumConsolidatedLeverageRatio_0034b1b3-21a2-4448-800f-2408e5f1c2a2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_LineOfCreditFacilityCovenantMaximumConsolidatedLeverageRatioQuarterlyDecrease_a8ab0ac9-e373-4134-9e55-c60fc1810383" xlink:href="para-20250630.xsd#para_LineOfCreditFacilityCovenantMaximumConsolidatedLeverageRatioQuarterlyDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_para_LineOfCreditFacilityCovenantMaximumConsolidatedLeverageRatioQuarterlyDecrease_a8ab0ac9-e373-4134-9e55-c60fc1810383" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_LineOfCreditFacilityMaximumUnrestrictedCashAndCashEquivalentsNettedAgainstConsolidatedIndebtedness_e700d00f-c349-46f6-8141-432641cd07f9" xlink:href="para-20250630.xsd#para_LineOfCreditFacilityMaximumUnrestrictedCashAndCashEquivalentsNettedAgainstConsolidatedIndebtedness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_para_LineOfCreditFacilityMaximumUnrestrictedCashAndCashEquivalentsNettedAgainstConsolidatedIndebtedness_e700d00f-c349-46f6-8141-432641cd07f9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_LineOfCreditFacilityAdditionalAddBackToConsolidatedEBITDAMaximumPercentage_88ab1981-09ea-4dbd-ba33-186d7ce6a31b" xlink:href="para-20250630.xsd#para_LineOfCreditFacilityAdditionalAddBackToConsolidatedEBITDAMaximumPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_para_LineOfCreditFacilityAdditionalAddBackToConsolidatedEBITDAMaximumPercentage_88ab1981-09ea-4dbd-ba33-186d7ce6a31b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableToBank_ebf53455-5331-45c1-8b51-e89cf8ce8c90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesPayableToBank"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_232843ed-c855-4a33-9506-6cd82a789801" xlink:to="loc_us-gaap_NotesPayableToBank_ebf53455-5331-45c1-8b51-e89cf8ce8c90" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_367666b3-8e22-4358-92d7-0558a161fcfe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_642c80d8-a4c5-44af-9b12-4fc42f09d53f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_367666b3-8e22-4358-92d7-0558a161fcfe" xlink:to="loc_us-gaap_DerivativeTable_642c80d8-a4c5-44af-9b12-4fc42f09d53f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_9ba0f066-93ad-4694-933c-cdf6d22a80da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_642c80d8-a4c5-44af-9b12-4fc42f09d53f" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_9ba0f066-93ad-4694-933c-cdf6d22a80da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_9ba0f066-93ad-4694-933c-cdf6d22a80da_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9ba0f066-93ad-4694-933c-cdf6d22a80da" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_9ba0f066-93ad-4694-933c-cdf6d22a80da_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_a81c7b77-fdf8-417e-b146-bdc3758acc29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_9ba0f066-93ad-4694-933c-cdf6d22a80da" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_a81c7b77-fdf8-417e-b146-bdc3758acc29" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_d61129d6-e254-4221-8bba-3d41609af176" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_a81c7b77-fdf8-417e-b146-bdc3758acc29" xlink:to="loc_us-gaap_ForeignExchangeContractMember_d61129d6-e254-4221-8bba-3d41609af176" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3b27689e-4249-4602-8e32-644b54fdea71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_642c80d8-a4c5-44af-9b12-4fc42f09d53f" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3b27689e-4249-4602-8e32-644b54fdea71" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_3b27689e-4249-4602-8e32-644b54fdea71_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3b27689e-4249-4602-8e32-644b54fdea71" xlink:to="loc_us-gaap_HedgingRelationshipDomain_3b27689e-4249-4602-8e32-644b54fdea71_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_6738bbbe-1ad4-431e-9954-b4b37b5b0f66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_3b27689e-4249-4602-8e32-644b54fdea71" xlink:to="loc_us-gaap_HedgingRelationshipDomain_6738bbbe-1ad4-431e-9954-b4b37b5b0f66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_1514f0af-50ff-47d7-83f0-81f70e9f47ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_6738bbbe-1ad4-431e-9954-b4b37b5b0f66" xlink:to="loc_us-gaap_CashFlowHedgingMember_1514f0af-50ff-47d7-83f0-81f70e9f47ce" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_42427e48-406f-4a68-9cc3-7ee8eabc4e8e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_642c80d8-a4c5-44af-9b12-4fc42f09d53f" xlink:to="loc_srt_ProductOrServiceAxis_42427e48-406f-4a68-9cc3-7ee8eabc4e8e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_42427e48-406f-4a68-9cc3-7ee8eabc4e8e_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_42427e48-406f-4a68-9cc3-7ee8eabc4e8e" xlink:to="loc_srt_ProductsAndServicesDomain_42427e48-406f-4a68-9cc3-7ee8eabc4e8e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4a771278-e844-4f35-9633-55bce418985b" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_42427e48-406f-4a68-9cc3-7ee8eabc4e8e" xlink:to="loc_srt_ProductsAndServicesDomain_4a771278-e844-4f35-9633-55bce418985b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FutureProductionCostsMember_88e6da4d-73bf-4bcb-b9b0-f397e5168ce7" xlink:href="para-20250630.xsd#para_FutureProductionCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4a771278-e844-4f35-9633-55bce418985b" xlink:to="loc_para_FutureProductionCostsMember_88e6da4d-73bf-4bcb-b9b0-f397e5168ce7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_OtherForeignCurrencyMember_7cb38e29-f2f0-4cc1-8fbb-584f4d7d8f0b" xlink:href="para-20250630.xsd#para_OtherForeignCurrencyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4a771278-e844-4f35-9633-55bce418985b" xlink:to="loc_para_OtherForeignCurrencyMember_7cb38e29-f2f0-4cc1-8fbb-584f4d7d8f0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayable_82078383-9367-4a84-b3c6-409d3d1813bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_367666b3-8e22-4358-92d7-0558a161fcfe" xlink:to="loc_us-gaap_NotesPayable_82078383-9367-4a84-b3c6-409d3d1813bf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_d5cf57fe-5e22-46de-b26f-6657604b5ea8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_367666b3-8e22-4358-92d7-0558a161fcfe" xlink:to="loc_us-gaap_DebtInstrumentFairValue_d5cf57fe-5e22-46de-b26f-6657604b5ea8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_1e8848f5-8e7a-45ad-8d0d-e73bd426ed19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_367666b3-8e22-4358-92d7-0558a161fcfe" xlink:to="loc_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_1e8848f5-8e7a-45ad-8d0d-e73bd426ed19" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTermOfContract_014d8a49-5d6d-4e07-a7be-2b762fe4e767" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_367666b3-8e22-4358-92d7-0558a161fcfe" xlink:to="loc_us-gaap_DerivativeTermOfContract_014d8a49-5d6d-4e07-a7be-2b762fe4e767" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_2c39a085-152b-43f1-bb3d-fe714c2933d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_367666b3-8e22-4358-92d7-0558a161fcfe" xlink:to="loc_us-gaap_DerivativeNotionalAmount_2c39a085-152b-43f1-bb3d-fe714c2933d3" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSScheduleofGainsLossesRecognizedonDerivativeFinancialInstrumentsDetails" xlink:type="simple" xlink:href="para-20250630.xsd#FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSScheduleofGainsLossesRecognizedonDerivativeFinancialInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSScheduleofGainsLossesRecognizedonDerivativeFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_de238760-7c02-4ff2-939d-2c2bd38f27e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_ef2b49b7-e60a-476c-954f-6d3958b0d9b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_de238760-7c02-4ff2-939d-2c2bd38f27e8" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_ef2b49b7-e60a-476c-954f-6d3958b0d9b8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_6fddf5bf-2e84-4374-820d-746ea5490884" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_ef2b49b7-e60a-476c-954f-6d3958b0d9b8" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_6fddf5bf-2e84-4374-820d-746ea5490884" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_6fddf5bf-2e84-4374-820d-746ea5490884_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_6fddf5bf-2e84-4374-820d-746ea5490884" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_6fddf5bf-2e84-4374-820d-746ea5490884_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_4a3e1aac-628b-46ae-ba08-ae3e51be9a02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_6fddf5bf-2e84-4374-820d-746ea5490884" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_4a3e1aac-628b-46ae-ba08-ae3e51be9a02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_774c24f8-d5ed-4c85-a651-1edda8debef2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_4a3e1aac-628b-46ae-ba08-ae3e51be9a02" xlink:to="loc_us-gaap_ForeignExchangeContractMember_774c24f8-d5ed-4c85-a651-1edda8debef2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_54c7298d-4983-4db0-bcd5-85e136281785" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_de238760-7c02-4ff2-939d-2c2bd38f27e8" xlink:to="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_54c7298d-4983-4db0-bcd5-85e136281785" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="simple" xlink:href="para-20250630.xsd#FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/FINANCIALINSTRUMENTSANDFAIRVALUEMEASUREMENTSScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_f1c51995-8da2-4763-a651-d6d82531d7c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6aba1b63-c4b3-47d9-b8ab-9c4ca7c460a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_f1c51995-8da2-4763-a651-d6d82531d7c3" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6aba1b63-c4b3-47d9-b8ab-9c4ca7c460a6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d8d9148a-8ef5-4dd8-92da-e0f817031568" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_6aba1b63-c4b3-47d9-b8ab-9c4ca7c460a6" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d8d9148a-8ef5-4dd8-92da-e0f817031568" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_d8d9148a-8ef5-4dd8-92da-e0f817031568_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d8d9148a-8ef5-4dd8-92da-e0f817031568" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_d8d9148a-8ef5-4dd8-92da-e0f817031568_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_cddf9d5c-efaa-4574-8940-0c366b230409" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_d8d9148a-8ef5-4dd8-92da-e0f817031568" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_cddf9d5c-efaa-4574-8940-0c366b230409" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_7a8c5b59-9b3c-4ca2-b591-aaba1daa7cdc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_cddf9d5c-efaa-4574-8940-0c366b230409" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_7a8c5b59-9b3c-4ca2-b591-aaba1daa7cdc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_e231967d-8386-47e3-a666-f850acc4fb40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_f1c51995-8da2-4763-a651-d6d82531d7c3" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_e231967d-8386-47e3-a666-f850acc4fb40" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_87c9319e-c514-4071-a173-147ef746727b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_e231967d-8386-47e3-a666-f850acc4fb40" xlink:to="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_87c9319e-c514-4071-a173-147ef746727b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_8e2865c4-7865-4440-bd8a-c9b974c3bd40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_e231967d-8386-47e3-a666-f850acc4fb40" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_8e2865c4-7865-4440-bd8a-c9b974c3bd40" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_18f59dfa-d859-4ca6-899d-82cdefd54286" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_f1c51995-8da2-4763-a651-d6d82531d7c3" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_18f59dfa-d859-4ca6-899d-82cdefd54286" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_0b0289d6-f195-4247-8567-1888f456e9da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_18f59dfa-d859-4ca6-899d-82cdefd54286" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_0b0289d6-f195-4247-8567-1888f456e9da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_3aa1f244-8fe1-4682-97f8-e151584aae76" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_18f59dfa-d859-4ca6-899d-82cdefd54286" xlink:to="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_3aa1f244-8fe1-4682-97f8-e151584aae76" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_920383cc-d223-4773-8826-ab2c8dbddf0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_18f59dfa-d859-4ca6-899d-82cdefd54286" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_920383cc-d223-4773-8826-ab2c8dbddf0a" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/VARIABLEINTERESTENTITIESDetails" xlink:type="simple" xlink:href="para-20250630.xsd#VARIABLEINTERESTENTITIESDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/VARIABLEINTERESTENTITIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_afcb34ec-25ce-4d53-a4ba-da9dac018f90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_2fcb319c-cc1a-4c98-8bc5-394728542cb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_afcb34ec-25ce-4d53-a4ba-da9dac018f90" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_2fcb319c-cc1a-4c98-8bc5-394728542cb9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_c074fafe-0195-4387-8cc2-9f7f1210639e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_2fcb319c-cc1a-4c98-8bc5-394728542cb9" xlink:to="loc_srt_ConsolidatedEntitiesAxis_c074fafe-0195-4387-8cc2-9f7f1210639e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_c074fafe-0195-4387-8cc2-9f7f1210639e_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_c074fafe-0195-4387-8cc2-9f7f1210639e" xlink:to="loc_srt_ConsolidatedEntitiesDomain_c074fafe-0195-4387-8cc2-9f7f1210639e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_d2ecc3f3-ed8a-4327-9f71-689cd02074e2" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_c074fafe-0195-4387-8cc2-9f7f1210639e" xlink:to="loc_srt_ConsolidatedEntitiesDomain_d2ecc3f3-ed8a-4327-9f71-689cd02074e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_08451b89-8e57-486c-8615-09eb7b180af7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_d2ecc3f3-ed8a-4327-9f71-689cd02074e2" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_08451b89-8e57-486c-8615-09eb7b180af7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_a449e679-c900-42c7-91ab-13d6284b9276" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_afcb34ec-25ce-4d53-a4ba-da9dac018f90" xlink:to="loc_us-gaap_Assets_a449e679-c900-42c7-91ab-13d6284b9276" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_b5412989-808e-4053-a60e-b69b148e4346" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_afcb34ec-25ce-4d53-a4ba-da9dac018f90" xlink:to="loc_us-gaap_Liabilities_b5412989-808e-4053-a60e-b69b148e4346" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d44e6172-3a78-4e50-93c9-b6df535d80fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_afcb34ec-25ce-4d53-a4ba-da9dac018f90" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d44e6172-3a78-4e50-93c9-b6df535d80fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_aa37b65c-1dcb-47bb-98f2-acb76f412810" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_afcb34ec-25ce-4d53-a4ba-da9dac018f90" xlink:to="loc_us-gaap_OperatingIncomeLoss_aa37b65c-1dcb-47bb-98f2-acb76f412810" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/STOCKHOLDERSEQUITYNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#STOCKHOLDERSEQUITYNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/STOCKHOLDERSEQUITYNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_7652aac7-6947-4a30-ab2c-9eb9f24b2e02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_d886e137-3284-419e-ac1c-5a349dfc061e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_7652aac7-6947-4a30-ab2c-9eb9f24b2e02" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_d886e137-3284-419e-ac1c-5a349dfc061e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_6c5fa584-4424-49f8-87cb-b94d51d9a28b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_d886e137-3284-419e-ac1c-5a349dfc061e" xlink:to="loc_us-gaap_StatementClassOfStockAxis_6c5fa584-4424-49f8-87cb-b94d51d9a28b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_6c5fa584-4424-49f8-87cb-b94d51d9a28b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6c5fa584-4424-49f8-87cb-b94d51d9a28b" xlink:to="loc_us-gaap_ClassOfStockDomain_6c5fa584-4424-49f8-87cb-b94d51d9a28b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_04952581-a191-4ff6-baf7-92b883bcd186" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6c5fa584-4424-49f8-87cb-b94d51d9a28b" xlink:to="loc_us-gaap_ClassOfStockDomain_04952581-a191-4ff6-baf7-92b883bcd186" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_a5412830-9ad8-4afd-b74f-0106e856e918" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_04952581-a191-4ff6-baf7-92b883bcd186" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_a5412830-9ad8-4afd-b74f-0106e856e918" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_822eab2c-e4ad-4822-b0d9-552092c206b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_04952581-a191-4ff6-baf7-92b883bcd186" xlink:to="loc_us-gaap_CommonClassBMember_822eab2c-e4ad-4822-b0d9-552092c206b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_11ca46ff-b092-454a-9871-ce1fcdb57b89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7652aac7-6947-4a30-ab2c-9eb9f24b2e02" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_11ca46ff-b092-454a-9871-ce1fcdb57b89" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockSharesIssued1_a4e70157-8a06-43b5-9806-0b99ecad3db1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConversionOfStockSharesIssued1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7652aac7-6947-4a30-ab2c-9eb9f24b2e02" xlink:to="loc_us-gaap_ConversionOfStockSharesIssued1_a4e70157-8a06-43b5-9806-0b99ecad3db1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockConvertibleConversionRatio_8fd0e4d7-eed7-4905-914e-dbc65f5344cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockConvertibleConversionRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7652aac7-6947-4a30-ab2c-9eb9f24b2e02" xlink:to="loc_us-gaap_PreferredStockConvertibleConversionRatio_8fd0e4d7-eed7-4905-914e-dbc65f5344cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8834ced2-911f-4b97-a07b-447ff132952d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_7652aac7-6947-4a30-ab2c-9eb9f24b2e02" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8834ced2-911f-4b97-a07b-447ff132952d" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/STOCKHOLDERSEQUITYScheduleofDividendsDeclaredPerShareandTotalDividendsDetails" xlink:type="simple" xlink:href="para-20250630.xsd#STOCKHOLDERSEQUITYScheduleofDividendsDeclaredPerShareandTotalDividendsDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/STOCKHOLDERSEQUITYScheduleofDividendsDeclaredPerShareandTotalDividendsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_9dce3397-e79a-4787-ae47-57564df9fb7b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_010db23a-2f3f-4324-b66e-623e0301d2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_9dce3397-e79a-4787-ae47-57564df9fb7b" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_010db23a-2f3f-4324-b66e-623e0301d2dd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_fb1df1a6-ca55-4de6-a2ae-cfe492c4d1e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_010db23a-2f3f-4324-b66e-623e0301d2dd" xlink:to="loc_us-gaap_StatementClassOfStockAxis_fb1df1a6-ca55-4de6-a2ae-cfe492c4d1e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fb1df1a6-ca55-4de6-a2ae-cfe492c4d1e6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_fb1df1a6-ca55-4de6-a2ae-cfe492c4d1e6" xlink:to="loc_us-gaap_ClassOfStockDomain_fb1df1a6-ca55-4de6-a2ae-cfe492c4d1e6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_1b6d6a2c-0cd4-4d94-ace8-352bf939ced5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_fb1df1a6-ca55-4de6-a2ae-cfe492c4d1e6" xlink:to="loc_us-gaap_ClassOfStockDomain_1b6d6a2c-0cd4-4d94-ace8-352bf939ced5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ClassACommonStockAndClassBCommonStockMember_156e940d-0e2e-4516-ada3-64e19ef91c68" xlink:href="para-20250630.xsd#para_ClassACommonStockAndClassBCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1b6d6a2c-0cd4-4d94-ace8-352bf939ced5" xlink:to="loc_para_ClassACommonStockAndClassBCommonStockMember_156e940d-0e2e-4516-ada3-64e19ef91c68" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_d84bbec4-3c2e-412b-8e0e-533dd80f4687" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1b6d6a2c-0cd4-4d94-ace8-352bf939ced5" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_d84bbec4-3c2e-412b-8e0e-533dd80f4687" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_a6887e1a-abc8-4fe2-a6e4-7e35a47f753b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9dce3397-e79a-4787-ae47-57564df9fb7b" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_a6887e1a-abc8-4fe2-a6e4-7e35a47f753b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStock_1dea1db4-5276-4019-8a6b-7015f28e6b46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9dce3397-e79a-4787-ae47-57564df9fb7b" xlink:to="loc_us-gaap_DividendsCommonStock_1dea1db4-5276-4019-8a6b-7015f28e6b46" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsPerShareDeclared_6794eb24-0afd-4e50-99b9-bb233ab20b18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9dce3397-e79a-4787-ae47-57564df9fb7b" xlink:to="loc_us-gaap_PreferredStockDividendsPerShareDeclared_6794eb24-0afd-4e50-99b9-bb233ab20b18" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_58b808a3-a226-4ef6-8097-15a11259b058" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsPreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9dce3397-e79a-4787-ae47-57564df9fb7b" xlink:to="loc_us-gaap_DividendsPreferredStock_58b808a3-a226-4ef6-8097-15a11259b058" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/STOCKHOLDERSEQUITYScheduleofChangesinComponentsofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="para-20250630.xsd#STOCKHOLDERSEQUITYScheduleofChangesinComponentsofAccumulatedOtherComprehensiveIncomeLossDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/STOCKHOLDERSEQUITYScheduleofChangesinComponentsofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8fa5f056-c6f1-42c5-9245-a5ba4685722b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_b0250ad8-e238-4971-9e7d-7840f5ccbff7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8fa5f056-c6f1-42c5-9245-a5ba4685722b" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_b0250ad8-e238-4971-9e7d-7840f5ccbff7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_b3a94a01-2a7e-4a42-bc45-919e2b80495c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_b0250ad8-e238-4971-9e7d-7840f5ccbff7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_b3a94a01-2a7e-4a42-bc45-919e2b80495c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_b3a94a01-2a7e-4a42-bc45-919e2b80495c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_b3a94a01-2a7e-4a42-bc45-919e2b80495c" xlink:to="loc_us-gaap_EquityComponentDomain_b3a94a01-2a7e-4a42-bc45-919e2b80495c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c45ac3c7-c4f7-4f8e-b025-119f3e788341" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_b3a94a01-2a7e-4a42-bc45-919e2b80495c" xlink:to="loc_us-gaap_EquityComponentDomain_c45ac3c7-c4f7-4f8e-b025-119f3e788341" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_60d27a4d-b033-4840-840e-841c80fdd92b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c45ac3c7-c4f7-4f8e-b025-119f3e788341" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_60d27a4d-b033-4840-840e-841c80fdd92b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_ecfe0c1a-a761-47e5-8425-14d227fba886" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c45ac3c7-c4f7-4f8e-b025-119f3e788341" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_ecfe0c1a-a761-47e5-8425-14d227fba886" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_42552e33-d974-4cd5-b295-b87bd6d4aa3e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c45ac3c7-c4f7-4f8e-b025-119f3e788341" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_42552e33-d974-4cd5-b295-b87bd6d4aa3e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_71243e69-0101-4287-80c3-3ea604a4a393" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_8fa5f056-c6f1-42c5-9245-a5ba4685722b" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_71243e69-0101-4287-80c3-3ea604a4a393" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b846c4a8-a74b-4a34-9e23-85eb00db842f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_71243e69-0101-4287-80c3-3ea604a4a393" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b846c4a8-a74b-4a34-9e23-85eb00db842f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_fcea83b0-34f5-46c8-bf3f-5b0a4009195d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_71243e69-0101-4287-80c3-3ea604a4a393" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_fcea83b0-34f5-46c8-bf3f-5b0a4009195d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_2fa1bb17-c3f9-4827-b0bb-685bddebd7f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_71243e69-0101-4287-80c3-3ea604a4a393" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_2fa1bb17-c3f9-4827-b0bb-685bddebd7f8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_768e7d65-9b43-405c-814b-88851dcf7c74" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_71243e69-0101-4287-80c3-3ea604a4a393" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_768e7d65-9b43-405c-814b-88851dcf7c74" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_45b23ee5-80f2-49f6-89e5-ed12cd97fd9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSDetails" xlink:type="simple" xlink:href="para-20250630.xsd#PENSIONANDOTHERPOSTRETIREMENTBENEFITSDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7b64b6a3-644e-435d-a88f-bce5a04f514e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_2b9a7135-8c0e-47ef-b437-517eb16535b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7b64b6a3-644e-435d-a88f-bce5a04f514e" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_2b9a7135-8c0e-47ef-b437-517eb16535b9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_518c0aec-9e3a-49dc-83c5-c3854efe5d40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_2b9a7135-8c0e-47ef-b437-517eb16535b9" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_518c0aec-9e3a-49dc-83c5-c3854efe5d40" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_518c0aec-9e3a-49dc-83c5-c3854efe5d40_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_518c0aec-9e3a-49dc-83c5-c3854efe5d40" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_518c0aec-9e3a-49dc-83c5-c3854efe5d40_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_3319dcd1-2135-4439-8fd1-122e7c24427a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_518c0aec-9e3a-49dc-83c5-c3854efe5d40" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_3319dcd1-2135-4439-8fd1-122e7c24427a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_f9549a41-b354-4a00-a4a2-b5e56de723f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_3319dcd1-2135-4439-8fd1-122e7c24427a" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_f9549a41-b354-4a00-a4a2-b5e56de723f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_09452304-afef-4638-8860-49c788b2aea6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_3319dcd1-2135-4439-8fd1-122e7c24427a" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_09452304-afef-4638-8860-49c788b2aea6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_cdfad285-5934-47d0-8931-acb6a498d24e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7b64b6a3-644e-435d-a88f-bce5a04f514e" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_cdfad285-5934-47d0-8931-acb6a498d24e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_35451e9e-32d9-468f-9add-ca4406f39201" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7b64b6a3-644e-435d-a88f-bce5a04f514e" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_35451e9e-32d9-468f-9add-ca4406f39201" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_7d0099ea-9cba-4a01-ae43-3c5cf20c44be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7b64b6a3-644e-435d-a88f-bce5a04f514e" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_7d0099ea-9cba-4a01-ae43-3c5cf20c44be" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fba09007-d06d-49a1-8e7d-78c22efba1ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_7b64b6a3-644e-435d-a88f-bce5a04f514e" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_fba09007-d06d-49a1-8e7d-78c22efba1ed" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/SEGMENTINFORMATIONScheduleofFinancialInformationbyReportableSegmentDetails" xlink:type="simple" xlink:href="para-20250630.xsd#SEGMENTINFORMATIONScheduleofFinancialInformationbyReportableSegmentDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/SEGMENTINFORMATIONScheduleofFinancialInformationbyReportableSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_0ac84412-a5d2-43d1-810c-290d34226827" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3181e08f-f4e8-4737-b381-e0dc0dcdbeb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_0ac84412-a5d2-43d1-810c-290d34226827" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3181e08f-f4e8-4737-b381-e0dc0dcdbeb6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_975c6a31-5f85-4922-95aa-615efe9c56da" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3181e08f-f4e8-4737-b381-e0dc0dcdbeb6" xlink:to="loc_srt_ConsolidationItemsAxis_975c6a31-5f85-4922-95aa-615efe9c56da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_975c6a31-5f85-4922-95aa-615efe9c56da_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_975c6a31-5f85-4922-95aa-615efe9c56da" xlink:to="loc_srt_ConsolidationItemsDomain_975c6a31-5f85-4922-95aa-615efe9c56da_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_4be4bd3e-e66b-4fe3-8ce1-1895b77a7fce" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_975c6a31-5f85-4922-95aa-615efe9c56da" xlink:to="loc_srt_ConsolidationItemsDomain_4be4bd3e-e66b-4fe3-8ce1-1895b77a7fce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_d34acf66-342f-4fc7-ba05-4b3849cefe35" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_4be4bd3e-e66b-4fe3-8ce1-1895b77a7fce" xlink:to="loc_us-gaap_OperatingSegmentsMember_d34acf66-342f-4fc7-ba05-4b3849cefe35" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_70f429dc-21b4-4929-907c-11dfe3824f31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_4be4bd3e-e66b-4fe3-8ce1-1895b77a7fce" xlink:to="loc_us-gaap_IntersegmentEliminationMember_70f429dc-21b4-4929-907c-11dfe3824f31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_f0877e42-1415-4b4a-be9d-8177fcf6d50b" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3181e08f-f4e8-4737-b381-e0dc0dcdbeb6" xlink:to="loc_srt_ProductOrServiceAxis_f0877e42-1415-4b4a-be9d-8177fcf6d50b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_f0877e42-1415-4b4a-be9d-8177fcf6d50b_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_f0877e42-1415-4b4a-be9d-8177fcf6d50b" xlink:to="loc_srt_ProductsAndServicesDomain_f0877e42-1415-4b4a-be9d-8177fcf6d50b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_94d855b7-a4b1-4f7a-a467-c6b925045b1d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_f0877e42-1415-4b4a-be9d-8177fcf6d50b" xlink:to="loc_srt_ProductsAndServicesDomain_94d855b7-a4b1-4f7a-a467-c6b925045b1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingMember_d15d0bf5-75d3-4d7f-9d82-39d0c4e044d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdvertisingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_94d855b7-a4b1-4f7a-a467-c6b925045b1d" xlink:to="loc_us-gaap_AdvertisingMember_d15d0bf5-75d3-4d7f-9d82-39d0c4e044d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_AffiliateAndSubscriptionMember_7bf5569a-c7e2-4af7-9af4-17596b1de819" xlink:href="para-20250630.xsd#para_AffiliateAndSubscriptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_94d855b7-a4b1-4f7a-a467-c6b925045b1d" xlink:to="loc_para_AffiliateAndSubscriptionMember_7bf5569a-c7e2-4af7-9af4-17596b1de819" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_LicensingAndOtherMember_a6749ba5-25e7-4743-add2-9183ab4f51c3" xlink:href="para-20250630.xsd#para_LicensingAndOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_94d855b7-a4b1-4f7a-a467-c6b925045b1d" xlink:to="loc_para_LicensingAndOtherMember_a6749ba5-25e7-4743-add2-9183ab4f51c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TheatricalMember_a50ef89f-f824-400a-b471-d1585d7eaac5" xlink:href="para-20250630.xsd#para_TheatricalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_94d855b7-a4b1-4f7a-a467-c6b925045b1d" xlink:to="loc_para_TheatricalMember_a50ef89f-f824-400a-b471-d1585d7eaac5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_04d8a59d-c52d-4b21-8d1b-244340e70a22" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_3181e08f-f4e8-4737-b381-e0dc0dcdbeb6" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_04d8a59d-c52d-4b21-8d1b-244340e70a22" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_04d8a59d-c52d-4b21-8d1b-244340e70a22_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_04d8a59d-c52d-4b21-8d1b-244340e70a22" xlink:to="loc_us-gaap_SegmentDomain_04d8a59d-c52d-4b21-8d1b-244340e70a22_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_56d9920f-2968-4969-8d74-ffa968fbfe2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_04d8a59d-c52d-4b21-8d1b-244340e70a22" xlink:to="loc_us-gaap_SegmentDomain_56d9920f-2968-4969-8d74-ffa968fbfe2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TVMediaSegmentMember_f9ab48f0-9979-426c-8272-27bd907ba7a0" xlink:href="para-20250630.xsd#para_TVMediaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_56d9920f-2968-4969-8d74-ffa968fbfe2c" xlink:to="loc_para_TVMediaSegmentMember_f9ab48f0-9979-426c-8272-27bd907ba7a0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_DirectToConsumerSegmentMember_b91e3301-d869-4455-aa74-3612e5d6d893" xlink:href="para-20250630.xsd#para_DirectToConsumerSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_56d9920f-2968-4969-8d74-ffa968fbfe2c" xlink:to="loc_para_DirectToConsumerSegmentMember_b91e3301-d869-4455-aa74-3612e5d6d893" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmedEntertainmentSegmentMember_9e1528cb-efdb-4418-a873-98d1cb2ce438" xlink:href="para-20250630.xsd#para_FilmedEntertainmentSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_56d9920f-2968-4969-8d74-ffa968fbfe2c" xlink:to="loc_para_FilmedEntertainmentSegmentMember_9e1528cb-efdb-4418-a873-98d1cb2ce438" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c2140ab9-9bda-480e-b8d1-c103122f0044" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_0ac84412-a5d2-43d1-810c-290d34226827" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c2140ab9-9bda-480e-b8d1-c103122f0044" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/SEGMENTINFORMATIONScheduleofIntercompanyRevenuesbySegmentDetails" xlink:type="simple" xlink:href="para-20250630.xsd#SEGMENTINFORMATIONScheduleofIntercompanyRevenuesbySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/SEGMENTINFORMATIONScheduleofIntercompanyRevenuesbySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_9d7f3776-8e69-4c86-9b6b-49a6b04b13b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_60e83859-f870-4770-bc47-7e12df5c8c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_9d7f3776-8e69-4c86-9b6b-49a6b04b13b1" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_60e83859-f870-4770-bc47-7e12df5c8c0d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_a9e7ec03-7218-4fc6-84c1-b2b7817e3702" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_60e83859-f870-4770-bc47-7e12df5c8c0d" xlink:to="loc_srt_ConsolidationItemsAxis_a9e7ec03-7218-4fc6-84c1-b2b7817e3702" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_a9e7ec03-7218-4fc6-84c1-b2b7817e3702_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_a9e7ec03-7218-4fc6-84c1-b2b7817e3702" xlink:to="loc_srt_ConsolidationItemsDomain_a9e7ec03-7218-4fc6-84c1-b2b7817e3702_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_eb7bdbe6-791d-43ce-8bd3-ea9d77f174d0" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_a9e7ec03-7218-4fc6-84c1-b2b7817e3702" xlink:to="loc_srt_ConsolidationItemsDomain_eb7bdbe6-791d-43ce-8bd3-ea9d77f174d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_5c6efd0b-eeff-4da0-af94-3d2ae27ca3dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_eb7bdbe6-791d-43ce-8bd3-ea9d77f174d0" xlink:to="loc_us-gaap_IntersegmentEliminationMember_5c6efd0b-eeff-4da0-af94-3d2ae27ca3dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_d2578e0e-29db-4e32-8635-933c11698b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_60e83859-f870-4770-bc47-7e12df5c8c0d" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_d2578e0e-29db-4e32-8635-933c11698b7c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_d2578e0e-29db-4e32-8635-933c11698b7c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_d2578e0e-29db-4e32-8635-933c11698b7c" xlink:to="loc_us-gaap_SegmentDomain_d2578e0e-29db-4e32-8635-933c11698b7c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_4ed579b3-8e5a-4486-aa63-9d55b33a556c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_d2578e0e-29db-4e32-8635-933c11698b7c" xlink:to="loc_us-gaap_SegmentDomain_4ed579b3-8e5a-4486-aa63-9d55b33a556c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TVMediaSegmentMember_847f5a5f-7fad-4b76-9e19-e9222d1bfeb7" xlink:href="para-20250630.xsd#para_TVMediaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4ed579b3-8e5a-4486-aa63-9d55b33a556c" xlink:to="loc_para_TVMediaSegmentMember_847f5a5f-7fad-4b76-9e19-e9222d1bfeb7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmedEntertainmentSegmentMember_b00b4779-2c32-4581-9fec-832a53451083" xlink:href="para-20250630.xsd#para_FilmedEntertainmentSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_4ed579b3-8e5a-4486-aa63-9d55b33a556c" xlink:to="loc_para_FilmedEntertainmentSegmentMember_b00b4779-2c32-4581-9fec-832a53451083" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_bcf2b8c9-dccd-43bf-bd94-19f29e2e8374" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_9d7f3776-8e69-4c86-9b6b-49a6b04b13b1" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_bcf2b8c9-dccd-43bf-bd94-19f29e2e8374" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/SEGMENTINFORMATIONScheduleofAdjustedOIBDAbySegmentandReconciliationtoNetEarningsLossDetails" xlink:type="simple" xlink:href="para-20250630.xsd#SEGMENTINFORMATIONScheduleofAdjustedOIBDAbySegmentandReconciliationtoNetEarningsLossDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/SEGMENTINFORMATIONScheduleofAdjustedOIBDAbySegmentandReconciliationtoNetEarningsLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_559dc865-92c9-4479-a410-66cfa8d33abf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2603af08-5047-4493-a157-fddad003d328" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_559dc865-92c9-4479-a410-66cfa8d33abf" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2603af08-5047-4493-a157-fddad003d328" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_71b3842b-7cf9-4aa7-8479-5863a12ec678" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2603af08-5047-4493-a157-fddad003d328" xlink:to="loc_srt_ConsolidationItemsAxis_71b3842b-7cf9-4aa7-8479-5863a12ec678" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_71b3842b-7cf9-4aa7-8479-5863a12ec678_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_71b3842b-7cf9-4aa7-8479-5863a12ec678" xlink:to="loc_srt_ConsolidationItemsDomain_71b3842b-7cf9-4aa7-8479-5863a12ec678_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_6e7483c9-1245-4dd5-b19d-15210b77e301" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_71b3842b-7cf9-4aa7-8479-5863a12ec678" xlink:to="loc_srt_ConsolidationItemsDomain_6e7483c9-1245-4dd5-b19d-15210b77e301" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_84f8a6f4-a4cf-47d0-a8a9-4e91ce6f42b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_6e7483c9-1245-4dd5-b19d-15210b77e301" xlink:to="loc_us-gaap_OperatingSegmentsMember_84f8a6f4-a4cf-47d0-a8a9-4e91ce6f42b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_CorporateAndEliminationsMember_7c51d49d-4317-4e67-bee8-dbeb8efe7898" xlink:href="para-20250630.xsd#para_CorporateAndEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_6e7483c9-1245-4dd5-b19d-15210b77e301" xlink:to="loc_para_CorporateAndEliminationsMember_7c51d49d-4317-4e67-bee8-dbeb8efe7898" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_e634de09-1f0d-4b7e-bb5c-e7b2b2a76bd0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MaterialReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_6e7483c9-1245-4dd5-b19d-15210b77e301" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_e634de09-1f0d-4b7e-bb5c-e7b2b2a76bd0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_22a440d1-3698-464f-b031-84eabb972c3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2603af08-5047-4493-a157-fddad003d328" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_22a440d1-3698-464f-b031-84eabb972c3b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_22a440d1-3698-464f-b031-84eabb972c3b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_22a440d1-3698-464f-b031-84eabb972c3b" xlink:to="loc_us-gaap_SegmentDomain_22a440d1-3698-464f-b031-84eabb972c3b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_d06186e2-323e-4967-9b60-13871b615f77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_22a440d1-3698-464f-b031-84eabb972c3b" xlink:to="loc_us-gaap_SegmentDomain_d06186e2-323e-4967-9b60-13871b615f77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_TVMediaSegmentMember_183c60d8-4e57-4ee5-bb4e-c20e6c97d5f7" xlink:href="para-20250630.xsd#para_TVMediaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d06186e2-323e-4967-9b60-13871b615f77" xlink:to="loc_para_TVMediaSegmentMember_183c60d8-4e57-4ee5-bb4e-c20e6c97d5f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_DirectToConsumerSegmentMember_8dfd140c-f997-4a9f-b0e5-5013279b0b48" xlink:href="para-20250630.xsd#para_DirectToConsumerSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d06186e2-323e-4967-9b60-13871b615f77" xlink:to="loc_para_DirectToConsumerSegmentMember_8dfd140c-f997-4a9f-b0e5-5013279b0b48" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FilmedEntertainmentSegmentMember_96167f33-7674-4ba2-88fa-495b47cc1d79" xlink:href="para-20250630.xsd#para_FilmedEntertainmentSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d06186e2-323e-4967-9b60-13871b615f77" xlink:to="loc_para_FilmedEntertainmentSegmentMember_96167f33-7674-4ba2-88fa-495b47cc1d79" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_f86e335f-bdcc-44e2-87be-a1b9275d9f71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2603af08-5047-4493-a157-fddad003d328" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_f86e335f-bdcc-44e2-87be-a1b9275d9f71" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_f86e335f-bdcc-44e2-87be-a1b9275d9f71_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_f86e335f-bdcc-44e2-87be-a1b9275d9f71" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_f86e335f-bdcc-44e2-87be-a1b9275d9f71_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_298e7a98-58ad-4af2-80d3-4132f04b966b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_f86e335f-bdcc-44e2-87be-a1b9275d9f71" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_298e7a98-58ad-4af2-80d3-4132f04b966b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_RestructuringAndTransactionRelatedItemsMember_92455f68-9ddf-450d-8903-6892a833ea8b" xlink:href="para-20250630.xsd#para_RestructuringAndTransactionRelatedItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_298e7a98-58ad-4af2-80d3-4132f04b966b" xlink:to="loc_para_RestructuringAndTransactionRelatedItemsMember_92455f68-9ddf-450d-8903-6892a833ea8b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_559dc865-92c9-4479-a410-66cfa8d33abf" xlink:to="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_99a2389e-4e4e-414d-bdda-67fc3c1e573d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_99a2389e-4e4e-414d-bdda-67fc3c1e573d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ContentCosts_ec751768-ebd1-4ded-9edd-0183722a1552" xlink:href="para-20250630.xsd#para_ContentCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_para_ContentCosts_ec751768-ebd1-4ded-9edd-0183722a1552" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketingAndAdvertisingExpense_65fb48a3-0d77-4bc6-aab1-d798ad0d2d33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MarketingAndAdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_MarketingAndAdvertisingExpense_65fb48a3-0d77-4bc6-aab1-d798ad0d2d33" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_2387e696-4ca4-4bd2-9b46-c1f5f9bb55c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_2387e696-4ca4-4bd2-9b46-c1f5f9bb55c1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_48fbeb03-8d57-4758-a488-086afab0a842" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_CostsAndExpenses_48fbeb03-8d57-4758-a488-086afab0a842" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_AdjustedOperatingIncomeBeforeDepreciationAndAmortization_0a5ce983-f08a-4444-bfe6-d343e3db6da1" xlink:href="para-20250630.xsd#para_AdjustedOperatingIncomeBeforeDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_para_AdjustedOperatingIncomeBeforeDepreciationAndAmortization_0a5ce983-f08a-4444-bfe6-d343e3db6da1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_b4c899a8-8b55-45ae-8c5f-256ce76d5712" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_ShareBasedCompensation_b4c899a8-8b55-45ae-8c5f-256ce76d5712" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_ae611836-0c2f-4d08-b05a-b0dfa4e87124" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_DepreciationAndAmortization_ae611836-0c2f-4d08-b05a-b0dfa4e87124" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_ProgrammingCharges_998ba567-9819-4455-b2c6-b908ab696256" xlink:href="para-20250630.xsd#para_ProgrammingCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_para_ProgrammingCharges_998ba567-9819-4455-b2c6-b908ab696256" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_075a3113-245a-4827-ba90-e26633a21a38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillAndIntangibleAssetImpairment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_075a3113-245a-4827-ba90-e26633a21a38" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_RestructuringAndTransactionRelatedItems_8f45b17e-c6cd-4f51-b30e-d9f187cf4a20" xlink:href="para-20250630.xsd#para_RestructuringAndTransactionRelatedItems"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_para_RestructuringAndTransactionRelatedItems_8f45b17e-c6cd-4f51-b30e-d9f187cf4a20" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_GainLossOnDispositionOfAssetsAndSaleOfBusiness_2d693416-3087-47f3-a3c6-8d54bd4c0792" xlink:href="para-20250630.xsd#para_GainLossOnDispositionOfAssetsAndSaleOfBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_para_GainLossOnDispositionOfAssetsAndSaleOfBusiness_2d693416-3087-47f3-a3c6-8d54bd4c0792" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_c2d0e039-9f1e-4c15-92de-fac695b39eaa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_OperatingIncomeLoss_c2d0e039-9f1e-4c15-92de-fac695b39eaa" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_1d0097d6-7902-4340-9e61-8464508fcced" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_InterestExpenseNonoperating_1d0097d6-7902-4340-9e61-8464508fcced" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_47f1b709-77bb-4874-ad2d-b2fdd0880f2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_InvestmentIncomeInterest_47f1b709-77bb-4874-ad2d-b2fdd0880f2d" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_6d2818e9-6bae-4708-97dd-7199194fd6cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_GainLossOnInvestments_6d2818e9-6bae-4708-97dd-7199194fd6cb" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_e5304f32-f5c3-4029-8304-168a66f425bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_e5304f32-f5c3-4029-8304-168a66f425bb" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_03f4dee0-d5e4-44f2-9184-e76453e2d05e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_03f4dee0-d5e4-44f2-9184-e76453e2d05e" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_52d21c83-1136-4be4-8082-4e4a37890bb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_52d21c83-1136-4be4-8082-4e4a37890bb2" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6be7ca8b-800c-4179-8d33-f14e2278f9a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6be7ca8b-800c-4179-8d33-f14e2278f9a0" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_4a88c252-23bb-4102-ac7e-169d3496561e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_4a88c252-23bb-4102-ac7e-169d3496561e" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_d29b7206-f641-4da1-b433-362985380f2f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_d29b7206-f641-4da1-b433-362985380f2f" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_08d71425-6ddf-40f9-b6e2-2932e31406d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_ProfitLoss_08d71425-6ddf-40f9-b6e2-2932e31406d3" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1ebe2444-b7dd-4c0c-9478-acc5d87772f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1ebe2444-b7dd-4c0c-9478-acc5d87772f6" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_5ef923b6-74c3-4e5b-82f6-dfa2a7b92c9b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationFromSegmentTotalsToConsolidatedAbstract_c2716890-c438-4440-a025-ad104306271c" xlink:to="loc_us-gaap_NetIncomeLoss_5ef923b6-74c3-4e5b-82f6-dfa2a7b92c9b" xlink:type="arc" order="25"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="simple" xlink:href="para-20250630.xsd#COMMITMENTSANDCONTINGENCIESDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_6dcfbfdf-5eb4-4549-8ee6-43d32fe2fb4f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_LossContingenciesTable_6dcfbfdf-5eb4-4549-8ee6-43d32fe2fb4f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_84c5a09b-dfc0-49ad-8101-214e2ece859c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_6dcfbfdf-5eb4-4549-8ee6-43d32fe2fb4f" xlink:to="loc_us-gaap_CreditFacilityAxis_84c5a09b-dfc0-49ad-8101-214e2ece859c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_84c5a09b-dfc0-49ad-8101-214e2ece859c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_84c5a09b-dfc0-49ad-8101-214e2ece859c" xlink:to="loc_us-gaap_CreditFacilityDomain_84c5a09b-dfc0-49ad-8101-214e2ece859c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_eb9dd282-bc32-4caf-9ed8-e9e55bac5110" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_84c5a09b-dfc0-49ad-8101-214e2ece859c" xlink:to="loc_us-gaap_CreditFacilityDomain_eb9dd282-bc32-4caf-9ed8-e9e55bac5110" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandbyLettersOfCreditMember_54a92ff3-4adf-4d8e-a9c0-fdcb59fe42cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StandbyLettersOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_eb9dd282-bc32-4caf-9ed8-e9e55bac5110" xlink:to="loc_us-gaap_StandbyLettersOfCreditMember_54a92ff3-4adf-4d8e-a9c0-fdcb59fe42cb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis_e43f1c7b-37a4-43bf-94a6-488aef4bf8e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_6dcfbfdf-5eb4-4549-8ee6-43d32fe2fb4f" xlink:to="loc_us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis_e43f1c7b-37a4-43bf-94a6-488aef4bf8e0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongLivedAssetsHeldForSaleNameDomain_e43f1c7b-37a4-43bf-94a6-488aef4bf8e0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongLivedAssetsHeldForSaleNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis_e43f1c7b-37a4-43bf-94a6-488aef4bf8e0" xlink:to="loc_us-gaap_LongLivedAssetsHeldForSaleNameDomain_e43f1c7b-37a4-43bf-94a6-488aef4bf8e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongLivedAssetsHeldForSaleNameDomain_a08592fa-2415-4a19-b7c8-fc0f4aafaca5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongLivedAssetsHeldForSaleNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis_e43f1c7b-37a4-43bf-94a6-488aef4bf8e0" xlink:to="loc_us-gaap_LongLivedAssetsHeldForSaleNameDomain_a08592fa-2415-4a19-b7c8-fc0f4aafaca5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_FamousPlayersMember_8ec921bd-41c8-4d13-b1ac-14a41e85685f" xlink:href="para-20250630.xsd#para_FamousPlayersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongLivedAssetsHeldForSaleNameDomain_a08592fa-2415-4a19-b7c8-fc0f4aafaca5" xlink:to="loc_para_FamousPlayersMember_8ec921bd-41c8-4d13-b1ac-14a41e85685f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_c911138a-6678-479b-8130-618f822005de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_6dcfbfdf-5eb4-4549-8ee6-43d32fe2fb4f" xlink:to="loc_us-gaap_StatementClassOfStockAxis_c911138a-6678-479b-8130-618f822005de" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c911138a-6678-479b-8130-618f822005de_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c911138a-6678-479b-8130-618f822005de" xlink:to="loc_us-gaap_ClassOfStockDomain_c911138a-6678-479b-8130-618f822005de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e2ab76b2-074e-41e4-8cfd-28a1df591374" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_c911138a-6678-479b-8130-618f822005de" xlink:to="loc_us-gaap_ClassOfStockDomain_e2ab76b2-074e-41e4-8cfd-28a1df591374" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_3c313bce-2778-4b2d-9077-d5155911b2e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e2ab76b2-074e-41e4-8cfd-28a1df591374" xlink:to="loc_us-gaap_CommonClassAMember_3c313bce-2778-4b2d-9077-d5155911b2e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_dcc768d9-49f0-47f8-b026-7ec0ed4b0c4c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e2ab76b2-074e-41e4-8cfd-28a1df591374" xlink:to="loc_us-gaap_CommonClassBMember_dcc768d9-49f0-47f8-b026-7ec0ed4b0c4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_dd8031c5-e4bb-400b-9301-8550aa91772d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_6dcfbfdf-5eb4-4549-8ee6-43d32fe2fb4f" xlink:to="loc_srt_LitigationCaseAxis_dd8031c5-e4bb-400b-9301-8550aa91772d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_dd8031c5-e4bb-400b-9301-8550aa91772d_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_dd8031c5-e4bb-400b-9301-8550aa91772d" xlink:to="loc_srt_LitigationCaseTypeDomain_dd8031c5-e4bb-400b-9301-8550aa91772d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_488fc3bb-1ccd-4242-bacb-299fc83e20ec" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_dd8031c5-e4bb-400b-9301-8550aa91772d" xlink:to="loc_srt_LitigationCaseTypeDomain_488fc3bb-1ccd-4242-bacb-299fc83e20ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AsbestosIssueMember_24d5bcc1-36b8-4c7c-b3ec-fe00c4ea2f39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AsbestosIssueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_488fc3bb-1ccd-4242-bacb-299fc83e20ec" xlink:to="loc_us-gaap_AsbestosIssueMember_24d5bcc1-36b8-4c7c-b3ec-fe00c4ea2f39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_7bc08757-b0bc-4ac8-9f86-825dfcac5a30" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_7bc08757-b0bc-4ac8-9f86-825dfcac5a30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_435384a0-ead1-4f82-aba7-e721206816e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_435384a0-ead1-4f82-aba7-e721206816e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_45cc2c9b-7266-4aa8-918e-7ebf0c6b4e9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_45cc2c9b-7266-4aa8-918e-7ebf0c6b4e9c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_AlternativeOfferAfterEndOfGoShopPeriod_84c1e517-e98b-4646-95d3-3129197ba6f0" xlink:href="para-20250630.xsd#para_AlternativeOfferAfterEndOfGoShopPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_para_AlternativeOfferAfterEndOfGoShopPeriod_84c1e517-e98b-4646-95d3-3129197ba6f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_564f2a23-63c8-49b9-8129-3e01ba032542" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyPendingClaimsNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_564f2a23-63c8-49b9-8129-3e01ba032542" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNewClaimsFiledNumber_77e5c646-fec6-4c6b-83e8-5a7fd51167fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyNewClaimsFiledNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_LossContingencyNewClaimsFiledNumber_77e5c646-fec6-4c6b-83e8-5a7fd51167fe" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyClaimsSettledAndDismissedNumber_084cd549-718c-4f4b-967d-0bb30d7c183c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyClaimsSettledAndDismissedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_LossContingencyClaimsSettledAndDismissedNumber_084cd549-718c-4f4b-967d-0bb30d7c183c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNetIncurredLoss1_b9d6ddbd-9720-40a0-b768-681780ad64ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNetIncurredLoss1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsNetIncurredLoss1_b9d6ddbd-9720-40a0-b768-681780ad64ff" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_LiabilityForAsbestosAndEnvironmentalClaimsPeriodReasonablyEstimable_86649bbf-6865-4384-b160-ad61f59700ef" xlink:href="para-20250630.xsd#para_LiabilityForAsbestosAndEnvironmentalClaimsPeriodReasonablyEstimable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_6d254a2c-ae0c-46f2-8f34-26d2a770db97" xlink:to="loc_para_LiabilityForAsbestosAndEnvironmentalClaimsPeriodReasonablyEstimable_86649bbf-6865-4384-b160-ad61f59700ef" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.paramount.com/role/SUPPLEMENTALFINANCIALINFORMATIONNarrativeDetails" xlink:type="simple" xlink:href="para-20250630.xsd#SUPPLEMENTALFINANCIALINFORMATIONNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.paramount.com/role/SUPPLEMENTALFINANCIALINFORMATIONNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_7644bb83-004e-456b-b596-aa595b63c402" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_031174dd-3e59-4085-b8a9-dbfefce75ad9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_7644bb83-004e-456b-b596-aa595b63c402" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_031174dd-3e59-4085-b8a9-dbfefce75ad9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_0c015551-68d7-440b-9593-b25e883d6d7d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_031174dd-3e59-4085-b8a9-dbfefce75ad9" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_0c015551-68d7-440b-9593-b25e883d6d7d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_0c015551-68d7-440b-9593-b25e883d6d7d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_0c015551-68d7-440b-9593-b25e883d6d7d" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_0c015551-68d7-440b-9593-b25e883d6d7d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_a857e2fd-6490-4ace-a6d6-5829f7a0dfe5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_0c015551-68d7-440b-9593-b25e883d6d7d" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_a857e2fd-6490-4ace-a6d6-5829f7a0dfe5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_e0c6e637-aa14-42ef-9ce5-b7ba67f5675d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_a857e2fd-6490-4ace-a6d6-5829f7a0dfe5" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_e0c6e637-aa14-42ef-9ce5-b7ba67f5675d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_9734e4a0-e7c4-40d6-aa09-a4068ca72a36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_031174dd-3e59-4085-b8a9-dbfefce75ad9" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_9734e4a0-e7c4-40d6-aa09-a4068ca72a36" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_9734e4a0-e7c4-40d6-aa09-a4068ca72a36_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_9734e4a0-e7c4-40d6-aa09-a4068ca72a36" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_9734e4a0-e7c4-40d6-aa09-a4068ca72a36_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01393cd1-98c4-4f72-9935-96adb5a5122f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_9734e4a0-e7c4-40d6-aa09-a4068ca72a36" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01393cd1-98c4-4f72-9935-96adb5a5122f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_para_SimonAndSchusterMember_07d24673-aad7-4331-bb81-e8eca8cd6587" xlink:href="para-20250630.xsd#para_SimonAndSchusterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01393cd1-98c4-4f72-9935-96adb5a5122f" xlink:to="loc_para_SimonAndSchusterMember_07d24673-aad7-4331-bb81-e8eca8cd6587" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_ca71236a-895c-4cf2-a7b2-baf8f8a781d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_7644bb83-004e-456b-b596-aa595b63c402" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_ca71236a-895c-4cf2-a7b2-baf8f8a781d2" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:type="arc" order="32"/>
  </link:definitionLink>
</link:linkbase>
