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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019cb9b2-b36b-78b7-a7ad-a4eb410947d3,g:63732eaf-841c-46eb-91cd-14698637551c-->
<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.iheartmedia.com/role/COVER" xlink:type="simple" xlink:href="ihrt-20260331.xsd#COVER"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/COVER" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019cb9b2-b4b4-793c-ba13-1ef894b0c9c7" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_DocumentInformationTable_019cb9b2-b4b4-793c-ba13-1ef894b0c9c7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-77fb-a4e9-336de0fe2543" 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_019cb9b2-b4b4-793c-ba13-1ef894b0c9c7" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-77fb-a4e9-336de0fe2543" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-77fb-a4e9-336de0fe2543_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_019cb9b2-b4b4-77fb-a4e9-336de0fe2543" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-77fb-a4e9-336de0fe2543_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7250-908a-636d5cf8d87e" 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_019cb9b2-b4b4-77fb-a4e9-336de0fe2543" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7250-908a-636d5cf8d87e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7bf4-b51f-367e3bc3608c" 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_019cb9b2-b4b4-7250-908a-636d5cf8d87e" xlink:to="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7bf4-b51f-367e3bc3608c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-7759-bccd-69b8e7d640ec" 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_019cb9b2-b4b4-7250-908a-636d5cf8d87e" xlink:to="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-7759-bccd-69b8e7d640ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019cb9b2-b4b4-7dc0-8d6c-929d19b1c52b" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_DocumentType_019cb9b2-b4b4-7dc0-8d6c-929d19b1c52b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_019cb9b2-b4b4-707b-8187-70404f8f256b" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_DocumentQuarterlyReport_019cb9b2-b4b4-707b-8187-70404f8f256b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019cb9b2-b4b4-758a-bf52-9298f0f1a8d1" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_DocumentPeriodEndDate_019cb9b2-b4b4-758a-bf52-9298f0f1a8d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_019cb9b2-b4b4-7b79-a03a-f836866d48a0" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_DocumentTransitionReport_019cb9b2-b4b4-7b79-a03a-f836866d48a0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019cb9b2-b4b4-7c2f-a87d-9027bc2166e4" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityFileNumber_019cb9b2-b4b4-7c2f-a87d-9027bc2166e4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019cb9b2-b4b4-700c-84dd-425df152a550" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityRegistrantName_019cb9b2-b4b4-700c-84dd-425df152a550" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019cb9b2-b4b4-7fc5-8354-74a464780349" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019cb9b2-b4b4-7fc5-8354-74a464780349" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019cb9b2-b4b4-78d9-9ef7-9018e1c1efaa" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityTaxIdentificationNumber_019cb9b2-b4b4-78d9-9ef7-9018e1c1efaa" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019cb9b2-b4b4-79ab-8275-743c924f7b19" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityAddressAddressLine1_019cb9b2-b4b4-79ab-8275-743c924f7b19" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019cb9b2-b4b4-7998-a367-c05185e5babc" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityAddressCityOrTown_019cb9b2-b4b4-7998-a367-c05185e5babc" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019cb9b2-b4b4-70b6-bbb6-a50f46b000ba" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityAddressStateOrProvince_019cb9b2-b4b4-70b6-bbb6-a50f46b000ba" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019cb9b2-b4b4-7739-bebc-1027050db5e4" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityAddressPostalZipCode_019cb9b2-b4b4-7739-bebc-1027050db5e4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019cb9b2-b4b4-79bc-aa01-c46306a86db8" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_CityAreaCode_019cb9b2-b4b4-79bc-aa01-c46306a86db8" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019cb9b2-b4b4-79f0-9e93-fd771ee0f826" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_LocalPhoneNumber_019cb9b2-b4b4-79f0-9e93-fd771ee0f826" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019cb9b2-b4b4-7e8b-b788-2079da43d365" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_Security12bTitle_019cb9b2-b4b4-7e8b-b788-2079da43d365" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019cb9b2-b4b4-7c46-9905-fb9a7e4ddfbf" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_TradingSymbol_019cb9b2-b4b4-7c46-9905-fb9a7e4ddfbf" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019cb9b2-b4b4-7360-915e-c03d23cafe19" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_SecurityExchangeName_019cb9b2-b4b4-7360-915e-c03d23cafe19" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_019cb9b2-b4b4-7dc7-b5be-f679746417dd" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityCurrentReportingStatus_019cb9b2-b4b4-7dc7-b5be-f679746417dd" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_019cb9b2-b4b4-72f5-9c9e-2ad435c183a7" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityInteractiveDataCurrent_019cb9b2-b4b4-72f5-9c9e-2ad435c183a7" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_019cb9b2-b4b4-7b23-b03b-3121fa86c817" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityFilerCategory_019cb9b2-b4b4-7b23-b03b-3121fa86c817" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_019cb9b2-b4b4-7b6e-a280-649f1cd685af" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntitySmallBusiness_019cb9b2-b4b4-7b6e-a280-649f1cd685af" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019cb9b2-b4b4-7532-ad1f-cd9962391b3e" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityEmergingGrowthCompany_019cb9b2-b4b4-7532-ad1f-cd9962391b3e" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_019cb9b2-b4b4-7d75-8d0f-13314f97bb70" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityShellCompany_019cb9b2-b4b4-7d75-8d0f-13314f97bb70" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_019cb9b2-b4b4-7cdc-9253-adc39359e363" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_019cb9b2-b4b4-7cdc-9253-adc39359e363" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019cb9b2-b4b4-7462-a9a6-bf20270a8c76" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_EntityCentralIndexKey_019cb9b2-b4b4-7462-a9a6-bf20270a8c76" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_019cb9b2-b4b4-7ccf-8a73-fc5d63adb575" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_CurrentFiscalYearEndDate_019cb9b2-b4b4-7ccf-8a73-fc5d63adb575" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_019cb9b2-b4b4-7208-ad2b-ac3e535debfb" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_DocumentFiscalYearFocus_019cb9b2-b4b4-7208-ad2b-ac3e535debfb" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_019cb9b2-b4b4-7aba-a079-8c6957102905" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_DocumentFiscalPeriodFocus_019cb9b2-b4b4-7aba-a079-8c6957102905" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019cb9b2-b4b4-7c5d-985b-6de7da5c5c89" 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_019cb9b2-b4b4-7f34-9805-bd312573533b" xlink:to="loc_dei_AmendmentFlag_019cb9b2-b4b4-7c5d-985b-6de7da5c5c89" xlink:type="arc" order="28"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="ihrt-20260331.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" 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_019cb9b2-b4b4-7d96-bf6b-76046c5aefd3" 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_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_StatementTable_019cb9b2-b4b4-7d96-bf6b-76046c5aefd3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-75b0-8bf1-cb1ebf0b8338" 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_019cb9b2-b4b4-7d96-bf6b-76046c5aefd3" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-75b0-8bf1-cb1ebf0b8338" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-75b0-8bf1-cb1ebf0b8338_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_019cb9b2-b4b4-75b0-8bf1-cb1ebf0b8338" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-75b0-8bf1-cb1ebf0b8338_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-78af-97c8-d81b0027accd" 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_019cb9b2-b4b4-75b0-8bf1-cb1ebf0b8338" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-78af-97c8-d81b0027accd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7dea-8720-ea862178e57a" 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_019cb9b2-b4b4-78af-97c8-d81b0027accd" xlink:to="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7dea-8720-ea862178e57a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-7e47-a98b-c8cb11fdbe76" 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_019cb9b2-b4b4-78af-97c8-d81b0027accd" xlink:to="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-7e47-a98b-c8cb11fdbe76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_SpecialWarrantsMember_019cb9b2-b4b4-711c-b093-360f9a5fed27" xlink:href="ihrt-20260331.xsd#ihrt_SpecialWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-78af-97c8-d81b0027accd" xlink:to="loc_ihrt_SpecialWarrantsMember_019cb9b2-b4b4-711c-b093-360f9a5fed27" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_019cb9b2-b4b4-764c-931b-f1782b5af9dc" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_AssetsCurrentAbstract_019cb9b2-b4b4-764c-931b-f1782b5af9dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cb9b2-b4b4-79c4-a268-66e4f7f8e995" 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_019cb9b2-b4b4-764c-931b-f1782b5af9dc" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cb9b2-b4b4-79c4-a268-66e4f7f8e995" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019cb9b2-b4b4-7b42-abb5-a8f3f72d9464" 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_019cb9b2-b4b4-764c-931b-f1782b5af9dc" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019cb9b2-b4b4-7b42-abb5-a8f3f72d9464" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_019cb9b2-b4b4-7f22-b700-e3aba25d1b07" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019cb9b2-b4b4-764c-931b-f1782b5af9dc" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_019cb9b2-b4b4-7f22-b700-e3aba25d1b07" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019cb9b2-b4b4-7b3a-80f7-db549d984740" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019cb9b2-b4b4-764c-931b-f1782b5af9dc" xlink:to="loc_us-gaap_OtherAssetsCurrent_019cb9b2-b4b4-7b3a-80f7-db549d984740" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019cb9b2-b4b4-7b20-ad46-9be9b460fb82" 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_019cb9b2-b4b4-764c-931b-f1782b5af9dc" xlink:to="loc_us-gaap_AssetsCurrent_019cb9b2-b4b4-7b20-ad46-9be9b460fb82" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNetAbstract_019cb9b2-b4b4-74ea-ad08-3a9c1d4e7318" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNetAbstract_019cb9b2-b4b4-74ea-ad08-3a9c1d4e7318" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019cb9b2-b4b4-7d50-a5e3-cf718e950f5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNetAbstract_019cb9b2-b4b4-74ea-ad08-3a9c1d4e7318" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019cb9b2-b4b4-7d50-a5e3-cf718e950f5c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetIncludingGoodwillAbstract_019cb9b2-b4b4-796b-8335-6a44cb8a0cbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwillAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_IntangibleAssetsNetIncludingGoodwillAbstract_019cb9b2-b4b4-796b-8335-6a44cb8a0cbe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019cb9b2-b4b4-7b8b-8817-e18407f29361" 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_IntangibleAssetsNetIncludingGoodwillAbstract_019cb9b2-b4b4-796b-8335-6a44cb8a0cbe" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019cb9b2-b4b4-7b8b-8817-e18407f29361" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019cb9b2-b4b4-7ea0-804b-c7bf7460ffa8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IntangibleAssetsNetIncludingGoodwillAbstract_019cb9b2-b4b4-796b-8335-6a44cb8a0cbe" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019cb9b2-b4b4-7ea0-804b-c7bf7460ffa8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019cb9b2-b4b4-7f88-b408-7e2c93a5213f" 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_IntangibleAssetsNetIncludingGoodwillAbstract_019cb9b2-b4b4-796b-8335-6a44cb8a0cbe" xlink:to="loc_us-gaap_Goodwill_019cb9b2-b4b4-7f88-b408-7e2c93a5213f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsNoncurrentAbstract_019cb9b2-b4b4-752c-b282-3d7a781561b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsNoncurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsNoncurrentAbstract_019cb9b2-b4b4-752c-b282-3d7a781561b5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019cb9b2-b4b4-7ece-b4aa-ea9e938f5532" 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_PrepaidExpenseAndOtherAssetsNoncurrentAbstract_019cb9b2-b4b4-752c-b282-3d7a781561b5" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019cb9b2-b4b4-7ece-b4aa-ea9e938f5532" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019cb9b2-b4b4-7a29-9c42-aaa73f181e9a" 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_PrepaidExpenseAndOtherAssetsNoncurrentAbstract_019cb9b2-b4b4-752c-b282-3d7a781561b5" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019cb9b2-b4b4-7a29-9c42-aaa73f181e9a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019cb9b2-b4b4-7435-a96a-e968504041cd" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_Assets_019cb9b2-b4b4-7435-a96a-e968504041cd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_019cb9b2-b4b4-7b51-830f-61fc6b76db84" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019cb9b2-b4b4-78cd-a54d-20c98e3fe411" 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_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:to="loc_us-gaap_AccountsPayableCurrent_019cb9b2-b4b4-78cd-a54d-20c98e3fe411" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019cb9b2-b4b4-7251-9f4f-547c466cd7ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019cb9b2-b4b4-7251-9f4f-547c466cd7ec" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019cb9b2-b4b4-7d32-bf26-0707d419ac42" 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_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019cb9b2-b4b4-7d32-bf26-0707d419ac42" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_019cb9b2-b4b4-79ca-a4bb-cd163c7debee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:to="loc_us-gaap_InterestPayableCurrent_019cb9b2-b4b4-79ca-a4bb-cd163c7debee" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_ContractWithCustomerIncludingOtherLiabilitiesCurrent_019cb9b2-b4b4-71c3-9464-edee6cbafea5" xlink:href="ihrt-20260331.xsd#ihrt_ContractWithCustomerIncludingOtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:to="loc_ihrt_ContractWithCustomerIncludingOtherLiabilitiesCurrent_019cb9b2-b4b4-71c3-9464-edee6cbafea5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019cb9b2-b4b4-7850-afc7-1128b8c11241" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:to="loc_us-gaap_LongTermDebtCurrent_019cb9b2-b4b4-7850-afc7-1128b8c11241" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019cb9b2-b4b4-7889-90dd-19ad0a3ac646" 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_019cb9b2-b4b4-7b51-830f-61fc6b76db84" xlink:to="loc_us-gaap_LiabilitiesCurrent_019cb9b2-b4b4-7889-90dd-19ad0a3ac646" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019cb9b2-b4b4-7180-9558-028d2bfb0c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019cb9b2-b4b4-7180-9558-028d2bfb0c0d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019cb9b2-b4b4-73c1-aec7-bfee1f5b9e55" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019cb9b2-b4b4-73c1-aec7-bfee1f5b9e55" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019cb9b2-b4b4-7fc7-a486-7ab5adb09f20" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019cb9b2-b4b4-7fc7-a486-7ab5adb09f20" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019cb9b2-b4b4-7ae6-aa5a-3c7a1ddfab40" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019cb9b2-b4b4-7ae6-aa5a-3c7a1ddfab40" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019cb9b2-b4b4-797b-96ab-16fa0e6bc88f" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019cb9b2-b4b4-797b-96ab-16fa0e6bc88f" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_019cb9b2-b4b4-7c62-8742-3a761692806f" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_StockholdersEquityAbstract_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019cb9b2-b4b4-7d15-bb8d-e35b8af28d67" 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_StockholdersEquityAbstract_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_MinorityInterest_019cb9b2-b4b4-7d15-bb8d-e35b8af28d67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019cb9b2-b4b4-7798-b353-64529e3cc728" 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_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_PreferredStockValue_019cb9b2-b4b4-7798-b353-64529e3cc728" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019cb9b2-b4b4-7555-9656-38cbca5cad88" 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_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_CommonStockValue_019cb9b2-b4b4-7555-9656-38cbca5cad88" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019cb9b2-b4b4-7c01-a63c-0f5818fc5d22" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019cb9b2-b4b4-7c01-a63c-0f5818fc5d22" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019cb9b2-b4b4-72dc-bdb1-5b2801de24e0" 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_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019cb9b2-b4b4-72dc-bdb1-5b2801de24e0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019cb9b2-b4b4-719a-bfc8-eb60de8a1bb5" 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_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019cb9b2-b4b4-719a-bfc8-eb60de8a1bb5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_019cb9b2-b4b4-7d25-8234-2e96d13b4446" 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_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_TreasuryStockCommonValue_019cb9b2-b4b4-7d25-8234-2e96d13b4446" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cb9b2-b4b4-7d51-92d5-906b5f89993f" 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_StockholdersEquityAbstract_019cb9b2-b4b4-7c62-8742-3a761692806f" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cb9b2-b4b4-7d51-92d5-906b5f89993f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019cb9b2-b4b4-7333-8322-77aef6531e8a" 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_StatementLineItems_019cb9b2-b4b4-747e-9a46-03e104ad3745" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_019cb9b2-b4b4-7333-8322-77aef6531e8a" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="ihrt-20260331.xsd#CONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" 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_019cb9b2-b4b4-7278-803f-688a7f874524" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_StatementTable_019cb9b2-b4b4-7278-803f-688a7f874524" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-7ea4-a281-709048a5a82c" 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_019cb9b2-b4b4-7278-803f-688a7f874524" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-7ea4-a281-709048a5a82c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7ea4-a281-709048a5a82c_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_019cb9b2-b4b4-7ea4-a281-709048a5a82c" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7ea4-a281-709048a5a82c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7132-9700-f88273c27d3d" 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_019cb9b2-b4b4-7ea4-a281-709048a5a82c" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7132-9700-f88273c27d3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7e12-9fe1-8b6e6e0c5682" 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_019cb9b2-b4b4-7132-9700-f88273c27d3d" xlink:to="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7e12-9fe1-8b6e6e0c5682" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-7361-90f6-199b26b966e7" 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_019cb9b2-b4b4-7132-9700-f88273c27d3d" xlink:to="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-7361-90f6-199b26b966e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_SpecialWarrantsMember_019cb9b2-b4b4-7b74-b042-062479371661" xlink:href="ihrt-20260331.xsd#ihrt_SpecialWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7132-9700-f88273c27d3d" xlink:to="loc_ihrt_SpecialWarrantsMember_019cb9b2-b4b4-7b74-b042-062479371661" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_019cb9b2-b4b4-711a-83b8-1403a41445a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_019cb9b2-b4b4-711a-83b8-1403a41445a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019cb9b2-b4b4-71c9-9e75-2fd5bb376368" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019cb9b2-b4b4-71c9-9e75-2fd5bb376368" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_019cb9b2-b4b4-74ec-aede-a4efc0275f37" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_019cb9b2-b4b4-74ec-aede-a4efc0275f37" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_019cb9b2-b4b4-7d2b-97aa-f1a137ba2961" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_PreferredStockSharesIssued_019cb9b2-b4b4-7d2b-97aa-f1a137ba2961" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_019cb9b2-b4b4-7b4a-9822-7c073ee90fca" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_019cb9b2-b4b4-7b4a-9822-7c073ee90fca" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_019cb9b2-b4b4-793c-aab8-8b188f15158c" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_019cb9b2-b4b4-793c-aab8-8b188f15158c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_019cb9b2-b4b4-76ff-9e05-3338ad3a5bd3" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_019cb9b2-b4b4-76ff-9e05-3338ad3a5bd3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_019cb9b2-b4b4-7603-9d98-937689ec8c96" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_CommonStockSharesIssued_019cb9b2-b4b4-7603-9d98-937689ec8c96" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019cb9b2-b4b4-7ab9-ab3a-54ebcb995221" 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_ClassOfStockLineItems_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019cb9b2-b4b4-7ab9-ab3a-54ebcb995221" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_019cb9b2-b4b4-7b30-ab23-838b59c7547b" 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_019cb9b2-b4b4-7a7e-8c06-e30c708ad5ef" xlink:to="loc_us-gaap_TreasuryStockCommonShares_019cb9b2-b4b4-7b30-ab23-838b59c7547b" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSDEFICIT" xlink:type="simple" xlink:href="ihrt-20260331.xsd#CONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSDEFICIT"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSDEFICIT" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019cb9b2-b4b4-7bc9-af34-14d692006668" 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_019cb9b2-b4b4-7792-b83a-99a514f78891" 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_019cb9b2-b4b4-7bc9-af34-14d692006668" xlink:to="loc_us-gaap_StatementTable_019cb9b2-b4b4-7792-b83a-99a514f78891" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019cb9b2-b4b4-7e9a-b646-f2f6637b823a" 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_019cb9b2-b4b4-7792-b83a-99a514f78891" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019cb9b2-b4b4-7e9a-b646-f2f6637b823a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019cb9b2-b4b4-7e9a-b646-f2f6637b823a_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_019cb9b2-b4b4-7e9a-b646-f2f6637b823a" xlink:to="loc_us-gaap_EquityComponentDomain_019cb9b2-b4b4-7e9a-b646-f2f6637b823a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" 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_019cb9b2-b4b4-7e9a-b646-f2f6637b823a" xlink:to="loc_us-gaap_EquityComponentDomain_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019cb9b2-b4b4-70ba-b9ef-144f5a83e311" 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_EquityComponentDomain_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" xlink:to="loc_us-gaap_CommonStockMember_019cb9b2-b4b4-70ba-b9ef-144f5a83e311" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_019cb9b2-b4b4-7d37-93f7-cbb07e2c778f" 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_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" xlink:to="loc_us-gaap_NoncontrollingInterestMember_019cb9b2-b4b4-7d37-93f7-cbb07e2c778f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019cb9b2-b4b4-7887-8092-0a8a45993f2e" 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_EquityComponentDomain_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019cb9b2-b4b4-7887-8092-0a8a45993f2e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019cb9b2-b4b4-7a3b-8199-8c5d89538195" 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_EquityComponentDomain_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" xlink:to="loc_us-gaap_RetainedEarningsMember_019cb9b2-b4b4-7a3b-8199-8c5d89538195" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019cb9b2-b4b4-78d8-aeaf-72b37f1c9336" 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_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019cb9b2-b4b4-78d8-aeaf-72b37f1c9336" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019cb9b2-b4b4-779e-9633-2db45595b61c" 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_EquityComponentDomain_019cb9b2-b4b4-7249-aeac-5d1c936d68b4" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019cb9b2-b4b4-779e-9633-2db45595b61c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-77cf-868a-1622f51e24eb" 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_019cb9b2-b4b4-7792-b83a-99a514f78891" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b4b4-77cf-868a-1622f51e24eb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-77cf-868a-1622f51e24eb_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_019cb9b2-b4b4-77cf-868a-1622f51e24eb" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-77cf-868a-1622f51e24eb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7888-a119-d4b5b8bf1b1f" 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_019cb9b2-b4b4-77cf-868a-1622f51e24eb" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7888-a119-d4b5b8bf1b1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7f64-a1aa-210bb330b142" 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_019cb9b2-b4b4-7888-a119-d4b5b8bf1b1f" xlink:to="loc_us-gaap_CommonClassAMember_019cb9b2-b4b4-7f64-a1aa-210bb330b142" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-756b-ac3d-f7111801784c" 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_019cb9b2-b4b4-7888-a119-d4b5b8bf1b1f" xlink:to="loc_us-gaap_CommonClassBMember_019cb9b2-b4b4-756b-ac3d-f7111801784c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_SpecialWarrantsMember_019cb9b2-b4b4-7eec-baa9-d88ffc029cb9" xlink:href="ihrt-20260331.xsd#ihrt_SpecialWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019cb9b2-b4b4-7888-a119-d4b5b8bf1b1f" xlink:to="loc_ihrt_SpecialWarrantsMember_019cb9b2-b4b4-7eec-baa9-d88ffc029cb9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" 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_019cb9b2-b4b4-7bc9-af34-14d692006668" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019cb9b2-b4b4-7e1b-bbb4-497bcdddf5bc" 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_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019cb9b2-b4b4-7e1b-bbb4-497bcdddf5bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cb9b2-b4b4-7cf5-85f8-3f65ac4b201c" 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_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cb9b2-b4b4-7cf5-85f8-3f65ac4b201c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019cb9b2-b4b4-7cbb-9860-32909d506e97" 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_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_ProfitLoss_019cb9b2-b4b4-7cbb-9860-32909d506e97" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_019cb9b2-b4b4-7a51-827e-86aac2445641" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_019cb9b2-b4b4-7a51-827e-86aac2445641" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_019cb9b2-b4b4-7981-9a62-4a469857a9a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_019cb9b2-b4b4-7981-9a62-4a469857a9a2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019cb9b2-b4b4-7364-96c6-fb894eb0b8dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019cb9b2-b4b4-7364-96c6-fb894eb0b8dd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019cb9b2-b4b4-7872-b036-35cc85882c6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019cb9b2-b4b4-7872-b036-35cc85882c6d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_019cb9b2-b4b4-78ba-877f-0696248fb5ab" 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_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_019cb9b2-b4b4-78ba-877f-0696248fb5ab" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockSharesConverted1_019cb9b2-b4b4-7fb3-821e-850814abcea8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConversionOfStockSharesConverted1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_ConversionOfStockSharesConverted1_019cb9b2-b4b4-7fb3-821e-850814abcea8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019cb9b2-b4b4-7759-93cd-a869715537c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019cb9b2-b4b4-796a-87e0-833fc0ca3514" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019cb9b2-b4b4-7759-93cd-a869715537c3" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019cb9b2-b4b4-77a5-b96b-394b7450bcf6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cb9b2-b4b4-7b8d-b251-3ad565c76d50" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/BASISOFPRESENTATIONDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#BASISOFPRESENTATIONDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/BASISOFPRESENTATIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_019cb9b2-b4b4-7b74-b192-dd09ffb3a488" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_019cb9b2-b4b4-7b74-b192-dd09ffb3a488" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019cf577-146c-708c-b262-e361df74511a" 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_ScheduleOfShortTermDebtTable_019cb9b2-b4b4-7b74-b192-dd09ffb3a488" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019cf577-146c-708c-b262-e361df74511a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019cf577-146c-708c-b262-e361df74511a_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_019cf577-146c-708c-b262-e361df74511a" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019cf577-146c-708c-b262-e361df74511a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019cf577-146c-76b3-b555-e11a97fe26f2" 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_019cf577-146c-708c-b262-e361df74511a" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019cf577-146c-76b3-b555-e11a97fe26f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SubsidiariesMember_019cf577-146c-7475-854c-db6473d8d9b8" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SubsidiariesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019cf577-146c-76b3-b555-e11a97fe26f2" xlink:to="loc_srt_SubsidiariesMember_019cf577-146c-7475-854c-db6473d8d9b8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019cf577-146c-751c-934e-47eef69c2037" 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_ScheduleOfShortTermDebtTable_019cb9b2-b4b4-7b74-b192-dd09ffb3a488" xlink:to="loc_us-gaap_CreditFacilityAxis_019cf577-146c-751c-934e-47eef69c2037" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019cf577-146c-751c-934e-47eef69c2037_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_019cf577-146c-751c-934e-47eef69c2037" xlink:to="loc_us-gaap_CreditFacilityDomain_019cf577-146c-751c-934e-47eef69c2037_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019cf577-146c-7ad7-ae72-bdd677f4e5d6" 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_019cf577-146c-751c-934e-47eef69c2037" xlink:to="loc_us-gaap_CreditFacilityDomain_019cf577-146c-7ad7-ae72-bdd677f4e5d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019cf577-146c-7fcd-b173-c81a2a19603e" 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_019cf577-146c-7ad7-ae72-bdd677f4e5d6" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019cf577-146c-7fcd-b173-c81a2a19603e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019cf577-146c-7df3-9dca-8f468bb28c03" 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_ScheduleOfShortTermDebtTable_019cb9b2-b4b4-7b74-b192-dd09ffb3a488" xlink:to="loc_us-gaap_DebtInstrumentAxis_019cf577-146c-7df3-9dca-8f468bb28c03" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019cf577-146c-7df3-9dca-8f468bb28c03_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_019cf577-146c-7df3-9dca-8f468bb28c03" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019cf577-146c-7df3-9dca-8f468bb28c03_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019cf577-146c-7a48-a36e-b609548a4948" 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_019cf577-146c-7df3-9dca-8f468bb28c03" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019cf577-146c-7a48-a36e-b609548a4948" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AssetBasedRevolvingCreditFacilityDue2027Member_019cf577-146c-76bc-93fa-f993c265fd98" xlink:href="ihrt-20260331.xsd#ihrt_AssetBasedRevolvingCreditFacilityDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cf577-146c-7a48-a36e-b609548a4948" xlink:to="loc_ihrt_AssetBasedRevolvingCreditFacilityDue2027Member_019cf577-146c-76bc-93fa-f993c265fd98" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019cf577-146c-70fe-8a63-a91ad61de7b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_019cb9b2-b4b4-7b74-b192-dd09ffb3a488" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019cf577-146c-70fe-8a63-a91ad61de7b1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019cf577-146c-70fe-8a63-a91ad61de7b1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019cf577-146c-70fe-8a63-a91ad61de7b1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019cf577-146c-70fe-8a63-a91ad61de7b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019cf577-146c-7a9f-b0c1-fa8071d4ce49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019cf577-146c-70fe-8a63-a91ad61de7b1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019cf577-146c-7a9f-b0c1-fa8071d4ce49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019cf577-146c-75c9-a0fd-76a8de6d4449" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019cf577-146c-7a9f-b0c1-fa8071d4ce49" xlink:to="loc_us-gaap_LineOfCreditMember_019cf577-146c-75c9-a0fd-76a8de6d4449" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_019cf576-e852-71e6-8fac-f005743c8af0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_NumberOfReportableSegments_019cf576-e852-71e6-8fac-f005743c8af0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cf577-146c-7e6c-8467-ce8bf43bafb8" 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_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cf577-146c-7e6c-8467-ce8bf43bafb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019cf577-146c-7ba2-affb-9aee75bc8a81" 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_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019cf577-146c-7ba2-affb-9aee75bc8a81" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019cf577-146c-7639-aecb-67de70e61f0a" 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_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019cf577-146c-7639-aecb-67de70e61f0a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019cf577-146c-7809-9250-d6a0b955e8dd" 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_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_LineOfCredit_019cf577-146c-7809-9250-d6a0b955e8dd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_019cf577-146c-7160-aebc-34ebb04205a4" 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_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_019cf577-146c-7160-aebc-34ebb04205a4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019cf577-146c-703f-9182-a17e4d6e63eb" 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_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019cf577-146c-703f-9182-a17e4d6e63eb" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TotalAvailableLiquidityAmount_019cf577-146c-7e14-870a-1a590ca17576" xlink:href="ihrt-20260331.xsd#ihrt_TotalAvailableLiquidityAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_ihrt_TotalAvailableLiquidityAmount_019cf577-146c-7e14-870a-1a590ca17576" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_019cf577-51d6-74f8-97cb-2356b023a810" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_019cf576-e852-7f2f-91a6-f06fe04b3d94" xlink:to="loc_us-gaap_RestrictedCash_019cf577-51d6-74f8-97cb-2356b023a810" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/REVENUEDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#REVENUEDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/REVENUEDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019cb9b2-b4b4-7c0d-95f3-1596f6832e26" 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_019cb9b2-b4b4-7598-be4a-807c76c16b50" 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_019cb9b2-b4b4-7c0d-95f3-1596f6832e26" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019cb9b2-b4b4-7598-be4a-807c76c16b50" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019cb9b2-b4b4-7069-acf3-48830e08db27" 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_DisaggregationOfRevenueTable_019cb9b2-b4b4-7598-be4a-807c76c16b50" xlink:to="loc_srt_ConsolidationItemsAxis_019cb9b2-b4b4-7069-acf3-48830e08db27" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019cb9b2-b4b4-7069-acf3-48830e08db27_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_019cb9b2-b4b4-7069-acf3-48830e08db27" xlink:to="loc_srt_ConsolidationItemsDomain_019cb9b2-b4b4-7069-acf3-48830e08db27_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019cb9b2-b4b4-7e8e-942f-c48c694e48ca" 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_019cb9b2-b4b4-7069-acf3-48830e08db27" xlink:to="loc_srt_ConsolidationItemsDomain_019cb9b2-b4b4-7e8e-942f-c48c694e48ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019cb9b2-b4b4-7262-8830-39499c8e2c5d" 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_019cb9b2-b4b4-7e8e-942f-c48c694e48ca" xlink:to="loc_us-gaap_OperatingSegmentsMember_019cb9b2-b4b4-7262-8830-39499c8e2c5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationEliminationsMember_019cb9b2-b4b4-7e25-ab05-7ef59fe448b5" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019cb9b2-b4b4-7e8e-942f-c48c694e48ca" xlink:to="loc_srt_ConsolidationEliminationsMember_019cb9b2-b4b4-7e25-ab05-7ef59fe448b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019cb9b2-b4b4-73e0-8aa4-c540f6d5db81" 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_DisaggregationOfRevenueTable_019cb9b2-b4b4-7598-be4a-807c76c16b50" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019cb9b2-b4b4-73e0-8aa4-c540f6d5db81" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019cb9b2-b4b4-73e0-8aa4-c540f6d5db81_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_019cb9b2-b4b4-73e0-8aa4-c540f6d5db81" xlink:to="loc_us-gaap_SegmentDomain_019cb9b2-b4b4-73e0-8aa4-c540f6d5db81_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019cb9b2-b4b4-7dc1-a5ff-9909f6659d81" 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_019cb9b2-b4b4-73e0-8aa4-c540f6d5db81" xlink:to="loc_us-gaap_SegmentDomain_019cb9b2-b4b4-7dc1-a5ff-9909f6659d81" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_MultiplatformGroupSegmentMember_019cb9b2-b4b4-74d1-bc4f-5f6ec51932ba" xlink:href="ihrt-20260331.xsd#ihrt_MultiplatformGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b4b4-7dc1-a5ff-9909f6659d81" xlink:to="loc_ihrt_MultiplatformGroupSegmentMember_019cb9b2-b4b4-74d1-bc4f-5f6ec51932ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_DigitalAudioGroupSegmentMember_019cb9b2-b4b4-7436-88b4-723d33388e9c" xlink:href="ihrt-20260331.xsd#ihrt_DigitalAudioGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b4b4-7dc1-a5ff-9909f6659d81" xlink:to="loc_ihrt_DigitalAudioGroupSegmentMember_019cb9b2-b4b4-7436-88b4-723d33388e9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AudioAndMediaServicesGroupSegmentMember_019cb9b2-b4b4-75f2-878e-108d58943463" xlink:href="ihrt-20260331.xsd#ihrt_AudioAndMediaServicesGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b4b4-7dc1-a5ff-9909f6659d81" xlink:to="loc_ihrt_AudioAndMediaServicesGroupSegmentMember_019cb9b2-b4b4-75f2-878e-108d58943463" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019cb9b2-b4b4-720f-89bd-b32d1f8a6908" 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_019cb9b2-b4b4-7598-be4a-807c76c16b50" xlink:to="loc_srt_ProductOrServiceAxis_019cb9b2-b4b4-720f-89bd-b32d1f8a6908" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-720f-89bd-b32d1f8a6908_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_019cb9b2-b4b4-720f-89bd-b32d1f8a6908" xlink:to="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-720f-89bd-b32d1f8a6908_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" 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_019cb9b2-b4b4-720f-89bd-b32d1f8a6908" xlink:to="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_BroadcastRadioMember_019cb9b2-b4b4-700d-8e07-468f8362228b" xlink:href="ihrt-20260331.xsd#ihrt_BroadcastRadioMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:to="loc_ihrt_BroadcastRadioMember_019cb9b2-b4b4-700d-8e07-468f8362228b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_NetworksMember_019cb9b2-b4b4-70be-8bb6-2654fd8bc9be" xlink:href="ihrt-20260331.xsd#ihrt_NetworksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:to="loc_ihrt_NetworksMember_019cb9b2-b4b4-70be-8bb6-2654fd8bc9be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_SponsorshipAndEventsMember_019cb9b2-b4b4-7a06-9bc2-5423cd513160" xlink:href="ihrt-20260331.xsd#ihrt_SponsorshipAndEventsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:to="loc_ihrt_SponsorshipAndEventsMember_019cb9b2-b4b4-7a06-9bc2-5423cd513160" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_DigitalNonPodcastMember_019cb9b2-b4b4-71ec-9e80-aa9ee880402a" xlink:href="ihrt-20260331.xsd#ihrt_DigitalNonPodcastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:to="loc_ihrt_DigitalNonPodcastMember_019cb9b2-b4b4-71ec-9e80-aa9ee880402a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_DigitalPodcastMember_019cb9b2-b4b4-76e6-a71d-44e67f7c38f1" xlink:href="ihrt-20260331.xsd#ihrt_DigitalPodcastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:to="loc_ihrt_DigitalPodcastMember_019cb9b2-b4b4-76e6-a71d-44e67f7c38f1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AudioAndMediaServicesMember_019cb9b2-b4b4-7b13-ad1c-08ae297c832c" xlink:href="ihrt-20260331.xsd#ihrt_AudioAndMediaServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:to="loc_ihrt_AudioAndMediaServicesMember_019cb9b2-b4b4-7b13-ad1c-08ae297c832c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_OtherMember_019cb9b2-b4b4-746a-a98f-400b9fd17d8c" xlink:href="ihrt-20260331.xsd#ihrt_OtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cb9b2-b4b4-7860-aed3-83151c19fb1d" xlink:to="loc_ihrt_OtherMember_019cb9b2-b4b4-746a-a98f-400b9fd17d8c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_019cb9b2-b4b4-7e81-bf30-0a92fe957c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019cb9b2-b4b4-7c0d-95f3-1596f6832e26" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_019cb9b2-b4b4-7e81-bf30-0a92fe957c0d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_019cb9b2-b4b4-7598-81bc-efc620eee8e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019cb9b2-b4b4-7c0d-95f3-1596f6832e26" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_019cb9b2-b4b4-7598-81bc-efc620eee8e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019cb9b2-b4b4-73be-bfac-643a09bc9f20" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019cb9b2-b4b4-7c0d-95f3-1596f6832e26" xlink:to="loc_us-gaap_Revenues_019cb9b2-b4b4-73be-bfac-643a09bc9f20" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/REVENUEScheduleofBarterandTradeRevenueandExpensesDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#REVENUEScheduleofBarterandTradeRevenueandExpensesDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/REVENUEScheduleofBarterandTradeRevenueandExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019cf580-9b25-74da-8e17-a16e277832db" 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_019cb9b2-b4b4-7a7b-8ec8-4b9008a67425" 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_019cf580-9b25-74da-8e17-a16e277832db" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019cb9b2-b4b4-7a7b-8ec8-4b9008a67425" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019cf580-9b25-7631-9a7d-524c28e519b9" 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_019cb9b2-b4b4-7a7b-8ec8-4b9008a67425" xlink:to="loc_srt_ProductOrServiceAxis_019cf580-9b25-7631-9a7d-524c28e519b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019cf580-9b25-7631-9a7d-524c28e519b9_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_019cf580-9b25-7631-9a7d-524c28e519b9" xlink:to="loc_srt_ProductsAndServicesDomain_019cf580-9b25-7631-9a7d-524c28e519b9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019cf580-9b25-73ce-bd18-3c5ceac471a2" 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_019cf580-9b25-7631-9a7d-524c28e519b9" xlink:to="loc_srt_ProductsAndServicesDomain_019cf580-9b25-73ce-bd18-3c5ceac471a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TradeandBarterTransactionsMember_019cf580-9b25-75f7-b438-37a6c1fadf79" xlink:href="ihrt-20260331.xsd#ihrt_TradeandBarterTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cf580-9b25-73ce-bd18-3c5ceac471a2" xlink:to="loc_ihrt_TradeandBarterTransactionsMember_019cf580-9b25-75f7-b438-37a6c1fadf79" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AdvertisingTradeAndBarterTransactionsMember_019cf580-9b25-7600-a3bf-4dfebe6ccd3a" xlink:href="ihrt-20260331.xsd#ihrt_AdvertisingTradeAndBarterTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019cf580-9b25-73ce-bd18-3c5ceac471a2" xlink:to="loc_ihrt_AdvertisingTradeAndBarterTransactionsMember_019cf580-9b25-7600-a3bf-4dfebe6ccd3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_019cf580-9b25-7ad9-bb40-6756a01e4217" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019cf580-9b25-74da-8e17-a16e277832db" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_019cf580-9b25-7ad9-bb40-6756a01e4217" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019cf580-9b25-7eeb-a2b7-9a208ecba594" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019cf580-9b25-74da-8e17-a16e277832db" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019cf580-9b25-7eeb-a2b7-9a208ecba594" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TradeAndBarterIncomeNet_019cf580-9b25-718e-8e1e-c2caccab254f" xlink:href="ihrt-20260331.xsd#ihrt_TradeAndBarterIncomeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019cf580-9b25-74da-8e17-a16e277832db" xlink:to="loc_ihrt_TradeAndBarterIncomeNet_019cf580-9b25-718e-8e1e-c2caccab254f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/REVENUENarrativeDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#REVENUENarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/REVENUENarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019cb9b2-b4b4-73be-85fd-9209ea841713" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019cb9b2-b4b4-73be-85fd-9209ea841713" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019cb9b2-b4b4-7be7-82d4-4389257b50ca" 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_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019cb9b2-b4b4-73be-85fd-9209ea841713" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019cb9b2-b4b4-7be7-82d4-4389257b50ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019cb9b2-b4b4-77cc-a259-67dfed9c2521" 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_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019cb9b2-b4b4-77cc-a259-67dfed9c2521" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019cb9b2-b4b4-7623-8430-6ebb354eb822" 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_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019cb9b2-b4b4-7623-8430-6ebb354eb822" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/REVENUENarrativeDetails_1" xlink:type="simple" xlink:href="ihrt-20260331.xsd#REVENUENarrativeDetails_1"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/REVENUENarrativeDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019cb9b2-b4b4-73be-85fd-9209ea841713" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019cb9b2-b4b4-73be-85fd-9209ea841713" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019cb9b2-b4b4-77cc-a259-67dfed9c2521" 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_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019cb9b2-b4b4-77cc-a259-67dfed9c2521" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019cb9b2-b4b4-7623-8430-6ebb354eb822" 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_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019cb9b2-b4b4-7844-9cef-048a1a47ce84" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019cb9b2-b4b4-7623-8430-6ebb354eb822" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofPropertyPlantandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofPropertyPlantandEquipmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019cb9b2-b55b-7d55-8ca5-5f66b3c96534" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019cb9b2-b55b-713a-bf16-e6cc4f6021fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019cb9b2-b55b-7d55-8ca5-5f66b3c96534" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019cb9b2-b55b-713a-bf16-e6cc4f6021fb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019cb9b2-b55b-715e-a717-1fe85834b8c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019cb9b2-b55b-713a-bf16-e6cc4f6021fb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019cb9b2-b55b-715e-a717-1fe85834b8c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-715e-a717-1fe85834b8c7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019cb9b2-b55b-715e-a717-1fe85834b8c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-715e-a717-1fe85834b8c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-766e-b686-8af0aae8d5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019cb9b2-b55b-715e-a717-1fe85834b8c7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-766e-b686-8af0aae8d5e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandBuildingsAndImprovementsMember_019cb9b2-b55b-79bf-9033-a756c0acd27c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LandBuildingsAndImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-766e-b686-8af0aae8d5e5" xlink:to="loc_us-gaap_LandBuildingsAndImprovementsMember_019cb9b2-b55b-79bf-9033-a756c0acd27c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TowersTransmittersAndStudioEquipmentMember_019cb9b2-b55b-7a5f-af55-e184c733e392" xlink:href="ihrt-20260331.xsd#ihrt_TowersTransmittersAndStudioEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-766e-b686-8af0aae8d5e5" xlink:to="loc_ihrt_TowersTransmittersAndStudioEquipmentMember_019cb9b2-b55b-7a5f-af55-e184c733e392" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_ComputerEquipmentAndSoftwareMember_019cb9b2-b55b-7bd6-b2bc-aee68adb1c5b" xlink:href="ihrt-20260331.xsd#ihrt_ComputerEquipmentAndSoftwareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-766e-b686-8af0aae8d5e5" xlink:to="loc_ihrt_ComputerEquipmentAndSoftwareMember_019cb9b2-b55b-7bd6-b2bc-aee68adb1c5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_019cb9b2-b55b-7205-964e-51b757fd67ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-766e-b686-8af0aae8d5e5" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_019cb9b2-b55b-7205-964e-51b757fd67ba" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_019cb9b2-b55b-7665-b66b-62f2cf2f3f8b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019cb9b2-b55b-766e-b686-8af0aae8d5e5" xlink:to="loc_us-gaap_ConstructionInProgressMember_019cb9b2-b55b-7665-b66b-62f2cf2f3f8b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019cb9b2-b55b-7515-b403-123456cb004a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019cb9b2-b55b-7d55-8ca5-5f66b3c96534" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_019cb9b2-b55b-7515-b403-123456cb004a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019cb9b2-b55b-76d4-82b5-77a5397cb869" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019cb9b2-b55b-7d55-8ca5-5f66b3c96534" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_019cb9b2-b55b-76d4-82b5-77a5397cb869" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019cb9b2-b55b-72b4-8b34-6e9d93ba07b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019cb9b2-b55b-7d55-8ca5-5f66b3c96534" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019cb9b2-b55b-72b4-8b34-6e9d93ba07b0" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofGrossCarryingAmountandAccumulatedAmortizationforOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofGrossCarryingAmountandAccumulatedAmortizationforOtherIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofGrossCarryingAmountandAccumulatedAmortizationforOtherIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019cb9b2-b55b-7d66-83f1-01d660258332" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019cb9b2-b55b-7148-8785-e36e21338188" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019cb9b2-b55b-7d66-83f1-01d660258332" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019cb9b2-b55b-7148-8785-e36e21338188" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019cb9b2-b55b-73e3-95b6-afc9f2cf5ac4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019cb9b2-b55b-7148-8785-e36e21338188" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019cb9b2-b55b-73e3-95b6-afc9f2cf5ac4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-73e3-95b6-afc9f2cf5ac4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019cb9b2-b55b-73e3-95b6-afc9f2cf5ac4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-73e3-95b6-afc9f2cf5ac4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-7932-ad75-7f6c93ac988e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019cb9b2-b55b-73e3-95b6-afc9f2cf5ac4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-7932-ad75-7f6c93ac988e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019cb9b2-b55b-7a5b-91af-b403662f3739" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-7932-ad75-7f6c93ac988e" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019cb9b2-b55b-7a5b-91af-b403662f3739" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TalentContractsMember_019cb9b2-b55b-7fd8-83ed-68997b112b48" xlink:href="ihrt-20260331.xsd#ihrt_TalentContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-7932-ad75-7f6c93ac988e" xlink:to="loc_ihrt_TalentContractsMember_019cb9b2-b55b-7fd8-83ed-68997b112b48" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_019cb9b2-b55b-7187-862e-b36d64e069bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-7932-ad75-7f6c93ac988e" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_019cb9b2-b55b-7187-862e-b36d64e069bc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_019cb9b2-b55b-7c44-bf3c-4caec1a7de08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019cb9b2-b55b-7932-ad75-7f6c93ac988e" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_019cb9b2-b55b-7c44-bf3c-4caec1a7de08" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019cb9b2-b55b-7019-9e96-024cb7ec0207" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019cb9b2-b55b-7d66-83f1-01d660258332" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019cb9b2-b55b-7019-9e96-024cb7ec0207" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019cb9b2-b55b-7ff6-91ad-66f5541b4838" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019cb9b2-b55b-7d66-83f1-01d660258332" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019cb9b2-b55b-7ff6-91ad-66f5541b4838" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofChangesinCarryingAmountofGoodwillDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofChangesinCarryingAmountofGoodwillDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/PROPERTYPLANTANDEQUIPMENTINTANGIBLEASSETSANDGOODWILLScheduleofChangesinCarryingAmountofGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_019cb9b2-b55b-7073-a26e-db6cf0048ff3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_019cb9b2-b55b-7d27-965c-79fd814072b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_019cb9b2-b55b-7073-a26e-db6cf0048ff3" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_019cb9b2-b55b-7d27-965c-79fd814072b2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019cb9b2-b55b-7471-8c6e-c3f707562fc7" 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_ScheduleOfGoodwillTable_019cb9b2-b55b-7d27-965c-79fd814072b2" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019cb9b2-b55b-7471-8c6e-c3f707562fc7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019cb9b2-b55b-7471-8c6e-c3f707562fc7_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_019cb9b2-b55b-7471-8c6e-c3f707562fc7" xlink:to="loc_us-gaap_SegmentDomain_019cb9b2-b55b-7471-8c6e-c3f707562fc7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019cb9b2-b55b-7851-b1be-4f308263fcb1" 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_019cb9b2-b55b-7471-8c6e-c3f707562fc7" xlink:to="loc_us-gaap_SegmentDomain_019cb9b2-b55b-7851-b1be-4f308263fcb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_MultiplatformGroupSegmentMember_019cb9b2-b55b-719f-8e7a-832a8d5b9a1e" xlink:href="ihrt-20260331.xsd#ihrt_MultiplatformGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b55b-7851-b1be-4f308263fcb1" xlink:to="loc_ihrt_MultiplatformGroupSegmentMember_019cb9b2-b55b-719f-8e7a-832a8d5b9a1e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_DigitalAudioGroupSegmentMember_019cb9b2-b55b-7edd-9e8b-f0bd03a2bc7c" xlink:href="ihrt-20260331.xsd#ihrt_DigitalAudioGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b55b-7851-b1be-4f308263fcb1" xlink:to="loc_ihrt_DigitalAudioGroupSegmentMember_019cb9b2-b55b-7edd-9e8b-f0bd03a2bc7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AudioAndMediaServicesGroupSegmentMember_019cb9b2-b55b-79d5-b247-fc4edba6054c" xlink:href="ihrt-20260331.xsd#ihrt_AudioAndMediaServicesGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b55b-7851-b1be-4f308263fcb1" xlink:to="loc_ihrt_AudioAndMediaServicesGroupSegmentMember_019cb9b2-b55b-79d5-b247-fc4edba6054c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_019cb9b2-b55b-77ee-bb94-3b924e3dcbc8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_019cb9b2-b55b-7073-a26e-db6cf0048ff3" xlink:to="loc_us-gaap_GoodwillRollForward_019cb9b2-b55b-77ee-bb94-3b924e3dcbc8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019cb9b2-b55b-7b21-8eeb-0914b857b13d" 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_GoodwillRollForward_019cb9b2-b55b-77ee-bb94-3b924e3dcbc8" xlink:to="loc_us-gaap_Goodwill_019cb9b2-b55b-7b21-8eeb-0914b857b13d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019cb9b2-b55b-7e67-bda1-51592199d269" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_019cb9b2-b55b-77ee-bb94-3b924e3dcbc8" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019cb9b2-b55b-7e67-bda1-51592199d269" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019cb9b2-b55b-7048-bbfa-328c2506efb4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019cb9b2-b55b-702a-8528-3145882a6c6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_019cb9b2-b55b-7073-a26e-db6cf0048ff3" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_019cb9b2-b55b-702a-8528-3145882a6c6a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/LONGTERMDEBTScheduleOfLongTermDebtOutstandingDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#LONGTERMDEBTScheduleOfLongTermDebtOutstandingDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/LONGTERMDEBTScheduleOfLongTermDebtOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" 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_019cb9b2-b55b-7450-86f2-559b0c5b5cf4" 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_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_DebtInstrumentTable_019cb9b2-b55b-7450-86f2-559b0c5b5cf4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019cb9b2-b55b-7d58-8d57-af8bc7d9a714" 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_019cb9b2-b55b-7450-86f2-559b0c5b5cf4" xlink:to="loc_us-gaap_DebtInstrumentAxis_019cb9b2-b55b-7d58-8d57-af8bc7d9a714" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-7d58-8d57-af8bc7d9a714_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_019cb9b2-b55b-7d58-8d57-af8bc7d9a714" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-7d58-8d57-af8bc7d9a714_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" 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_019cb9b2-b55b-7d58-8d57-af8bc7d9a714" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AssetBasedRevolvingCreditFacilityDue2027Member_019cb9b2-b55b-78bb-913e-929c0086d482" xlink:href="ihrt-20260331.xsd#ihrt_AssetBasedRevolvingCreditFacilityDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_AssetBasedRevolvingCreditFacilityDue2027Member_019cb9b2-b55b-78bb-913e-929c0086d482" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TermLoanFacilityDue2026Member_019cb9b2-b55b-7288-ae37-e5a918154f8e" xlink:href="ihrt-20260331.xsd#ihrt_TermLoanFacilityDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_TermLoanFacilityDue2026Member_019cb9b2-b55b-7288-ae37-e5a918154f8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_IncrementalTermLoanFacilityDue2026Member_019cb9b2-b55b-7377-8ed9-a5aa3230b05a" xlink:href="ihrt-20260331.xsd#ihrt_IncrementalTermLoanFacilityDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_IncrementalTermLoanFacilityDue2026Member_019cb9b2-b55b-7377-8ed9-a5aa3230b05a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TermLoanFacilityDue2029Member_019cb9b2-b55b-7e95-85cc-c6741c6fc53b" xlink:href="ihrt-20260331.xsd#ihrt_TermLoanFacilityDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_TermLoanFacilityDue2029Member_019cb9b2-b55b-7e95-85cc-c6741c6fc53b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A6.375SeniorSecuredNotesMember_019cb9b2-b55b-76cc-a76f-447dfbd04a66" xlink:href="ihrt-20260331.xsd#ihrt_A6.375SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A6.375SeniorSecuredNotesMember_019cb9b2-b55b-76cc-a76f-447dfbd04a66" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A525SeniorSecuredNotesDue2027Member_019cb9b2-b55b-7eb4-9838-ea7c6b36dd53" xlink:href="ihrt-20260331.xsd#ihrt_A525SeniorSecuredNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A525SeniorSecuredNotesDue2027Member_019cb9b2-b55b-7eb4-9838-ea7c6b36dd53" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A8375SeniorUnsecuredNotesDue2027Member_019cb9b2-b55b-79d9-9283-268e12c532b6" xlink:href="ihrt-20260331.xsd#ihrt_A8375SeniorUnsecuredNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A8375SeniorUnsecuredNotesDue2027Member_019cb9b2-b55b-79d9-9283-268e12c532b6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A475SeniorSecuredNotesDue2028Member_019cb9b2-b55b-73aa-97dc-5b8e4ec99c56" xlink:href="ihrt-20260331.xsd#ihrt_A475SeniorSecuredNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A475SeniorSecuredNotesDue2028Member_019cb9b2-b55b-73aa-97dc-5b8e4ec99c56" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A9.125FirstLienNotesDue2029Member_019cb9b2-b55b-7227-8bdf-e1835218b434" xlink:href="ihrt-20260331.xsd#ihrt_A9.125FirstLienNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A9.125FirstLienNotesDue2029Member_019cb9b2-b55b-7227-8bdf-e1835218b434" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A7.75FirstLienNotesDue2030Member_019cb9b2-b55b-7673-9407-b4e602d4df47" xlink:href="ihrt-20260331.xsd#ihrt_A7.75FirstLienNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A7.75FirstLienNotesDue2030Member_019cb9b2-b55b-7673-9407-b4e602d4df47" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A7.00FirstLienNotesDue2031Member_019cb9b2-b55b-7e13-9d2d-776110bd7ca6" xlink:href="ihrt-20260331.xsd#ihrt_A7.00FirstLienNotesDue2031Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A7.00FirstLienNotesDue2031Member_019cb9b2-b55b-7e13-9d2d-776110bd7ca6" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A10.875SecondLienNotesDue2030Member_019cb9b2-b55b-7dde-9eb4-16a0d9256034" xlink:href="ihrt-20260331.xsd#ihrt_A10.875SecondLienNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_A10.875SecondLienNotesDue2030Member_019cb9b2-b55b-7dde-9eb4-16a0d9256034" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_OtherSecuredSubsidiaryLongTermDebtMember_019cb9b2-b55b-75ec-bfe4-be76321d89e1" xlink:href="ihrt-20260331.xsd#ihrt_OtherSecuredSubsidiaryLongTermDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019cb9b2-b55b-79d5-82e1-af1b75249977" xlink:to="loc_ihrt_OtherSecuredSubsidiaryLongTermDebtMember_019cb9b2-b55b-75ec-bfe4-be76321d89e1" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019cb9b2-b55b-720d-b9a5-b28f2952cf41" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019cb9b2-b55b-7450-86f2-559b0c5b5cf4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019cb9b2-b55b-720d-b9a5-b28f2952cf41" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019cb9b2-b55b-720d-b9a5-b28f2952cf41_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019cb9b2-b55b-720d-b9a5-b28f2952cf41" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019cb9b2-b55b-720d-b9a5-b28f2952cf41_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019cb9b2-b55b-7e36-8be7-a2ca935b70e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019cb9b2-b55b-720d-b9a5-b28f2952cf41" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019cb9b2-b55b-7e36-8be7-a2ca935b70e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019cb9b2-b55b-7af2-a379-89551960bcb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019cb9b2-b55b-7e36-8be7-a2ca935b70e6" xlink:to="loc_us-gaap_SecuredDebtMember_019cb9b2-b55b-7af2-a379-89551960bcb3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019cb9b2-b55b-706f-b245-abd221a7296a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019cb9b2-b55b-7e36-8be7-a2ca935b70e6" xlink:to="loc_us-gaap_UnsecuredDebtMember_019cb9b2-b55b-706f-b245-abd221a7296a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019cf598-2c09-77b0-ab7e-a9b9ca01da2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019cb9b2-b55b-7e36-8be7-a2ca935b70e6" xlink:to="loc_us-gaap_LineOfCreditMember_019cf598-2c09-77b0-ab7e-a9b9ca01da2b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019cf598-2c09-7991-b809-3c6b7c1dde8c" 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_DebtInstrumentTable_019cb9b2-b55b-7450-86f2-559b0c5b5cf4" xlink:to="loc_us-gaap_CreditFacilityAxis_019cf598-2c09-7991-b809-3c6b7c1dde8c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019cf598-2c09-7991-b809-3c6b7c1dde8c_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_019cf598-2c09-7991-b809-3c6b7c1dde8c" xlink:to="loc_us-gaap_CreditFacilityDomain_019cf598-2c09-7991-b809-3c6b7c1dde8c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019cf598-2c09-750e-98cf-e54edb5c02a8" 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_019cf598-2c09-7991-b809-3c6b7c1dde8c" xlink:to="loc_us-gaap_CreditFacilityDomain_019cf598-2c09-750e-98cf-e54edb5c02a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019cf598-2c09-7da6-8306-cc216d0a9ec8" 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_019cf598-2c09-750e-98cf-e54edb5c02a8" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019cf598-2c09-7da6-8306-cc216d0a9ec8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019cb9b2-b55b-72ff-b27b-617b8bc9531d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_LongTermDebt_019cb9b2-b55b-72ff-b27b-617b8bc9531d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019cb9b2-b55b-7480-84c0-fe8979eeea91" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019cb9b2-b55b-7480-84c0-fe8979eeea91" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium_019cb9b2-b55b-7f48-8764-39216ad51410" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedPremium"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedPremium_019cb9b2-b55b-7f48-8764-39216ad51410" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019cb9b2-b55b-7d4a-a8f4-3d72a90b3d78" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_LongTermDebtCurrent_019cb9b2-b55b-7d4a-a8f4-3d72a90b3d78" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019cb9b2-b55b-712a-8321-2961322d52db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019cb9b2-b55b-712a-8321-2961322d52db" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019cf598-2c09-77e8-9cd6-65224015aa5c" 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_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019cf598-2c09-77e8-9cd6-65224015aa5c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_019cf598-2c09-70c4-88f1-1f478d1a8792" 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_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_019cf598-2c09-70c4-88f1-1f478d1a8792" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019cf598-2c09-7c86-82f6-5cee239e677d" 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_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019cf598-2c09-7c86-82f6-5cee239e677d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_019cf598-2c09-76d2-bc60-f36eb334df13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_RepaymentsOfDebt_019cf598-2c09-76d2-bc60-f36eb334df13" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_DebtInstrumentPeriodicPaymentPercentageOfPrincipal_019cf598-2c09-7012-a1fb-3bbb1c3b417c" xlink:href="ihrt-20260331.xsd#ihrt_DebtInstrumentPeriodicPaymentPercentageOfPrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_ihrt_DebtInstrumentPeriodicPaymentPercentageOfPrincipal_019cf598-2c09-7012-a1fb-3bbb1c3b417c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019cb9b2-b55b-7167-b4a0-8024ecded89a" 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_019cb9b2-b55b-7481-b175-b086c46a6254" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019cb9b2-b55b-7167-b4a0-8024ecded89a" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/LONGTERMDEBTSuretyBondsandLettersofCreditDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#LONGTERMDEBTSuretyBondsandLettersofCreditDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/LONGTERMDEBTSuretyBondsandLettersofCreditDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019cb9b2-b55c-7d90-864d-ccde7a564bc6" 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_019cb9b2-b55c-71b3-b2e0-9eaef80dd1d0" 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_019cb9b2-b55c-7d90-864d-ccde7a564bc6" xlink:to="loc_us-gaap_DebtInstrumentTable_019cb9b2-b55c-71b3-b2e0-9eaef80dd1d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_019cb9b2-b55c-72c5-848b-25f67dc5504c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019cb9b2-b55c-71b3-b2e0-9eaef80dd1d0" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_019cb9b2-b55c-72c5-848b-25f67dc5504c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_019cb9b2-b55c-72c5-848b-25f67dc5504c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_019cb9b2-b55c-72c5-848b-25f67dc5504c" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_019cb9b2-b55c-72c5-848b-25f67dc5504c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_019cb9b2-b55c-7173-b59b-545a2dfbb6ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_019cb9b2-b55c-72c5-848b-25f67dc5504c" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_019cb9b2-b55c-7173-b59b-545a2dfbb6ae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SuretyBondMember_019cb9b2-b55c-726d-825a-9b460416fbc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SuretyBondMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_019cb9b2-b55c-7173-b59b-545a2dfbb6ae" xlink:to="loc_us-gaap_SuretyBondMember_019cb9b2-b55c-726d-825a-9b460416fbc7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_019cb9b2-b55c-7c03-802a-2cfbcbfaaab6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialStandbyLetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_019cb9b2-b55c-7173-b59b-545a2dfbb6ae" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_019cb9b2-b55c-7c03-802a-2cfbcbfaaab6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_019cb9b2-b55c-7ede-b858-b95487f35396" 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_DebtInstrumentLineItems_019cb9b2-b55c-7d90-864d-ccde7a564bc6" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_019cb9b2-b55c-7ede-b858-b95487f35396" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/STOCKHOLDERSDEFICITNarrativeDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#STOCKHOLDERSDEFICITNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/STOCKHOLDERSDEFICITNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" 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_019cb9b2-b55c-79fd-bffe-9fd0b2a56fd9" 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_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019cb9b2-b55c-79fd-bffe-9fd0b2a56fd9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019cb9b2-b55c-72ae-b80c-7e699fdbf306" 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_ScheduleOfStockByClassTable_019cb9b2-b55c-79fd-bffe-9fd0b2a56fd9" xlink:to="loc_srt_RangeAxis_019cb9b2-b55c-72ae-b80c-7e699fdbf306" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019cb9b2-b55c-72ae-b80c-7e699fdbf306_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_019cb9b2-b55c-72ae-b80c-7e699fdbf306" xlink:to="loc_srt_RangeMember_019cb9b2-b55c-72ae-b80c-7e699fdbf306_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019cb9b2-b55c-7c62-9b29-9040e4eef2e9" 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_019cb9b2-b55c-72ae-b80c-7e699fdbf306" xlink:to="loc_srt_RangeMember_019cb9b2-b55c-7c62-9b29-9040e4eef2e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019cb9b2-b55c-746b-a4e8-bdaa91e0f43b" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019cb9b2-b55c-7c62-9b29-9040e4eef2e9" xlink:to="loc_srt_MinimumMember_019cb9b2-b55c-746b-a4e8-bdaa91e0f43b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019cb9b2-b55c-7c11-8d83-cecaed8787c3" 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_019cb9b2-b55c-7c62-9b29-9040e4eef2e9" xlink:to="loc_srt_MaximumMember_019cb9b2-b55c-7c11-8d83-cecaed8787c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-77e2-a735-64e35546dab4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019cb9b2-b55c-79fd-bffe-9fd0b2a56fd9" xlink:to="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-77e2-a735-64e35546dab4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-77e2-a735-64e35546dab4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-77e2-a735-64e35546dab4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-77e2-a735-64e35546dab4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-72f0-81ff-787b7074e112" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-77e2-a735-64e35546dab4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-72f0-81ff-787b7074e112" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AwardsVestingBasedOnServiceConditionsMember_019cb9b2-b55c-7a9d-b886-b08dc01daa0f" xlink:href="ihrt-20260331.xsd#ihrt_AwardsVestingBasedOnServiceConditionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-72f0-81ff-787b7074e112" xlink:to="loc_ihrt_AwardsVestingBasedOnServiceConditionsMember_019cb9b2-b55c-7a9d-b886-b08dc01daa0f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b55c-709b-b531-3bb162b4578e" 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_019cb9b2-b55c-79fd-bffe-9fd0b2a56fd9" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019cb9b2-b55c-709b-b531-3bb162b4578e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b55c-709b-b531-3bb162b4578e_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_019cb9b2-b55c-709b-b531-3bb162b4578e" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b55c-709b-b531-3bb162b4578e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019cb9b2-b55c-77a5-9a9f-5400a1e20798" 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_019cb9b2-b55c-709b-b531-3bb162b4578e" xlink:to="loc_us-gaap_ClassOfStockDomain_019cb9b2-b55c-77a5-9a9f-5400a1e20798" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_SpecialWarrantsMember_019cb9b2-b55c-792f-a151-80ba3f49689c" xlink:href="ihrt-20260331.xsd#ihrt_SpecialWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019cb9b2-b55c-77a5-9a9f-5400a1e20798" xlink:to="loc_ihrt_SpecialWarrantsMember_019cb9b2-b55c-792f-a151-80ba3f49689c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019cb9b2-b55c-73c6-9b23-5b4387cddcb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019cb9b2-b55c-73c6-9b23-5b4387cddcb6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019cb9b2-b55c-7f7f-8bf6-f5e8d18883d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019cb9b2-b55c-7f7f-8bf6-f5e8d18883d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_019cb9b2-b55c-7ab5-8d1a-feb00689c504" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_019cb9b2-b55c-7ab5-8d1a-feb00689c504" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_019cb9b2-b55c-7742-a9bd-cd55e50fc24b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_019cb9b2-b55c-7742-a9bd-cd55e50fc24b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_019cb9b2-b55c-7c52-9fe7-0f853e95885b" 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_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_019cb9b2-b55c-7c52-9fe7-0f853e95885b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_ClassOfWarrantOrRightConversionTermsOwnershipOfCommonStockPercent_019cb9b2-b55c-7a69-b25f-dfde8620d349" xlink:href="ihrt-20260331.xsd#ihrt_ClassOfWarrantOrRightConversionTermsOwnershipOfCommonStockPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_ihrt_ClassOfWarrantOrRightConversionTermsOwnershipOfCommonStockPercent_019cb9b2-b55c-7a69-b25f-dfde8620d349" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_ClassOfWarrantOrRightConversionTermsOwnershipOfCapitalStockOrVotingInterestsPercent_019cb9b2-b55c-7aa0-9911-c9f2cf57a2f9" xlink:href="ihrt-20260331.xsd#ihrt_ClassOfWarrantOrRightConversionTermsOwnershipOfCapitalStockOrVotingInterestsPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_ihrt_ClassOfWarrantOrRightConversionTermsOwnershipOfCapitalStockOrVotingInterestsPercent_019cb9b2-b55c-7aa0-9911-c9f2cf57a2f9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_FCCPetitionsForDeclaratoryRulingPercentageOfVotingStockAndEquityOwnedByNonUSIndividualsAndEntities_019cb9b2-b55c-7688-884b-5bb254d61afc" xlink:href="ihrt-20260331.xsd#ihrt_FCCPetitionsForDeclaratoryRulingPercentageOfVotingStockAndEquityOwnedByNonUSIndividualsAndEntities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_ihrt_FCCPetitionsForDeclaratoryRulingPercentageOfVotingStockAndEquityOwnedByNonUSIndividualsAndEntities_019cb9b2-b55c-7688-884b-5bb254d61afc" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_FCCPetitionsForDeclaratoryRulingForeignOwnedPercentagePermitted_019cb9b2-b55c-7eb6-a221-f5112d400252" xlink:href="ihrt-20260331.xsd#ihrt_FCCPetitionsForDeclaratoryRulingForeignOwnedPercentagePermitted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ee8-bcaf-4b8e3bf67852" xlink:to="loc_ihrt_FCCPetitionsForDeclaratoryRulingForeignOwnedPercentagePermitted_019cb9b2-b55c-7eb6-a221-f5112d400252" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/STOCKHOLDERSDEFICITShareBasedCompensationDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#STOCKHOLDERSDEFICITShareBasedCompensationDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/STOCKHOLDERSDEFICITShareBasedCompensationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ea3-bc29-2f06cd82f489" 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_019cb9b2-b55c-7349-9b40-46024d2105dd" 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_019cb9b2-b55c-7ea3-bc29-2f06cd82f489" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019cb9b2-b55c-7349-9b40-46024d2105dd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-7ae4-b3b5-dd4c7e0c8395" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019cb9b2-b55c-7349-9b40-46024d2105dd" xlink:to="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-7ae4-b3b5-dd4c7e0c8395" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-7ae4-b3b5-dd4c7e0c8395_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-7ae4-b3b5-dd4c7e0c8395" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-7ae4-b3b5-dd4c7e0c8395_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-7672-b912-9438972aa596" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019cb9b2-b55c-7ae4-b3b5-dd4c7e0c8395" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-7672-b912-9438972aa596" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019cb9b2-b55c-7daa-933b-7a83c2c1cbe1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-7672-b912-9438972aa596" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019cb9b2-b55c-7daa-933b-7a83c2c1cbe1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_PerformanceRSUsMember_019cb9b2-b55c-7128-968d-04bed53ab7e7" xlink:href="ihrt-20260331.xsd#ihrt_PerformanceRSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-7672-b912-9438972aa596" xlink:to="loc_ihrt_PerformanceRSUsMember_019cb9b2-b55c-7128-968d-04bed53ab7e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_019cb9b2-b55c-7035-a60e-46114d15cd4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019cb9b2-b55c-7672-b912-9438972aa596" xlink:to="loc_us-gaap_EmployeeStockOptionMember_019cb9b2-b55c-7035-a60e-46114d15cd4d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019cb9b2-b55c-7e62-ad63-abb21eedb326" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ea3-bc29-2f06cd82f489" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019cb9b2-b55c-7e62-ad63-abb21eedb326" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards_019cb9b2-b55c-70cc-b19e-5714eb358d46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019cb9b2-b55c-7ea3-bc29-2f06cd82f489" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards_019cb9b2-b55c-70cc-b19e-5714eb358d46" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/SEGMENTDATADetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#SEGMENTDATADetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/SEGMENTDATADetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" 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_019cb9b2-b55c-783a-addf-561071ee782e" 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_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019cb9b2-b55c-783a-addf-561071ee782e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019cb9b2-b55c-72ed-81f1-3e25951c5b2b" 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_019cb9b2-b55c-783a-addf-561071ee782e" xlink:to="loc_srt_ConsolidationItemsAxis_019cb9b2-b55c-72ed-81f1-3e25951c5b2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019cb9b2-b55c-72ed-81f1-3e25951c5b2b_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_019cb9b2-b55c-72ed-81f1-3e25951c5b2b" xlink:to="loc_srt_ConsolidationItemsDomain_019cb9b2-b55c-72ed-81f1-3e25951c5b2b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019cb9b2-b55c-7373-b07b-e589a597fa71" 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_019cb9b2-b55c-72ed-81f1-3e25951c5b2b" xlink:to="loc_srt_ConsolidationItemsDomain_019cb9b2-b55c-7373-b07b-e589a597fa71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019cb9b2-b55c-732d-92c3-be28ca3e7b7e" 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_019cb9b2-b55c-7373-b07b-e589a597fa71" xlink:to="loc_us-gaap_OperatingSegmentsMember_019cb9b2-b55c-732d-92c3-be28ca3e7b7e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_CorporateAndReconcilingItemsMember_019cb9b2-b55c-7abc-807a-eda37b6c2147" xlink:href="ihrt-20260331.xsd#ihrt_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019cb9b2-b55c-7373-b07b-e589a597fa71" xlink:to="loc_ihrt_CorporateAndReconcilingItemsMember_019cb9b2-b55c-7abc-807a-eda37b6c2147" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_019cb9b2-b55c-7009-a9bf-28891285ae34" 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_019cb9b2-b55c-7373-b07b-e589a597fa71" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_019cb9b2-b55c-7009-a9bf-28891285ae34" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_019cb9b2-b55c-7cb6-8bd9-135f79f86cb0" 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_019cb9b2-b55c-7373-b07b-e589a597fa71" xlink:to="loc_us-gaap_IntersegmentEliminationMember_019cb9b2-b55c-7cb6-8bd9-135f79f86cb0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019cb9b2-b55c-7548-90ab-0aaee1c10444" 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_019cb9b2-b55c-783a-addf-561071ee782e" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019cb9b2-b55c-7548-90ab-0aaee1c10444" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019cb9b2-b55c-7548-90ab-0aaee1c10444_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_019cb9b2-b55c-7548-90ab-0aaee1c10444" xlink:to="loc_us-gaap_SegmentDomain_019cb9b2-b55c-7548-90ab-0aaee1c10444_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019cb9b2-b55c-7e4b-8aa2-982e4b3c1990" 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_019cb9b2-b55c-7548-90ab-0aaee1c10444" xlink:to="loc_us-gaap_SegmentDomain_019cb9b2-b55c-7e4b-8aa2-982e4b3c1990" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_MultiplatformGroupSegmentMember_019cb9b2-b55c-7bae-95e3-e32ca4ce7faa" xlink:href="ihrt-20260331.xsd#ihrt_MultiplatformGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b55c-7e4b-8aa2-982e4b3c1990" xlink:to="loc_ihrt_MultiplatformGroupSegmentMember_019cb9b2-b55c-7bae-95e3-e32ca4ce7faa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_DigitalAudioGroupSegmentMember_019cb9b2-b55c-7d38-906b-3b005e5f1798" xlink:href="ihrt-20260331.xsd#ihrt_DigitalAudioGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b55c-7e4b-8aa2-982e4b3c1990" xlink:to="loc_ihrt_DigitalAudioGroupSegmentMember_019cb9b2-b55c-7d38-906b-3b005e5f1798" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AudioAndMediaServicesGroupSegmentMember_019cb9b2-b55c-7fbf-ba28-913b99589951" xlink:href="ihrt-20260331.xsd#ihrt_AudioAndMediaServicesGroupSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019cb9b2-b55c-7e4b-8aa2-982e4b3c1990" xlink:to="loc_ihrt_AudioAndMediaServicesGroupSegmentMember_019cb9b2-b55c-7fbf-ba28-913b99589951" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019cb9b2-b55c-7af4-9ec2-23c114cb9770" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_Revenues_019cb9b2-b55c-7af4-9ec2-23c114cb9770" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_DirectOperatingExpensesAdjusted_019cb9b2-b55c-7ab8-984e-2e031b383049" xlink:href="ihrt-20260331.xsd#ihrt_DirectOperatingExpensesAdjusted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_ihrt_DirectOperatingExpensesAdjusted_019cb9b2-b55c-7ab8-984e-2e031b383049" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_SellingGeneralAndAdministrativeExpenseAdjusted_019cb9b2-b55c-76cc-a0d2-c21237ead6c1" xlink:href="ihrt-20260331.xsd#ihrt_SellingGeneralAndAdministrativeExpenseAdjusted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_ihrt_SellingGeneralAndAdministrativeExpenseAdjusted_019cb9b2-b55c-76cc-a0d2-c21237ead6c1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization_019cb9b2-b55c-78a9-89cb-c65bc7a96083" xlink:href="ihrt-20260331.xsd#ihrt_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_ihrt_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization_019cb9b2-b55c-78a9-89cb-c65bc7a96083" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019cb9b2-b55c-717e-9975-004c64333201" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019cb9b2-b55c-717e-9975-004c64333201" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019cb9b2-b55c-78d4-aa27-cf14ac4dfeea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_AssetImpairmentCharges_019cb9b2-b55c-78d4-aa27-cf14ac4dfeea" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_019cb9b2-b55c-77f0-a010-264a1601db15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_019cb9b2-b55c-77f0-a010-264a1601db15" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019cb9b2-b55c-779e-8220-08226cf08723" 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_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_RestructuringCharges_019cb9b2-b55c-779e-8220-08226cf08723" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019cb9b2-b55c-799d-9740-e7b968df1a16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019cb9b2-b55c-799d-9740-e7b968df1a16" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019cb9b2-b55c-7343-8475-7f864c85216e" 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_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_OperatingIncomeLoss_019cb9b2-b55c-7343-8475-7f864c85216e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_SegmentAssets_019cb9b2-b55c-72e0-ba81-572eb4fed0a3" xlink:href="ihrt-20260331.xsd#ihrt_SegmentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_ihrt_SegmentAssets_019cb9b2-b55c-72e0-ba81-572eb4fed0a3" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019cb9b2-b55c-7327-af51-bc129c2e2636" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentExpenditureAdditionToLongLivedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019cb9b2-b55c-7404-a3ea-bdc6fe7fa51d" xlink:to="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019cb9b2-b55c-7327-af51-bc129c2e2636" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iheartmedia.com/role/SUBSEQUENTEVENTSDetails" xlink:type="simple" xlink:href="ihrt-20260331.xsd#SUBSEQUENTEVENTSDetails"/>
  <link:definitionLink xlink:role="http://www.iheartmedia.com/role/SUBSEQUENTEVENTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_019dc396-79fa-727b-9acf-b71237716510" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_019dc396-79fa-7bd7-ad80-89b1955f4603" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_019dc396-79fa-727b-9acf-b71237716510" xlink:to="loc_us-gaap_SubsequentEventTable_019dc396-79fa-7bd7-ad80-89b1955f4603" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019dc396-79fa-7653-9030-4586a0978bbe" 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_SubsequentEventTable_019dc396-79fa-7bd7-ad80-89b1955f4603" xlink:to="loc_us-gaap_CreditFacilityAxis_019dc396-79fa-7653-9030-4586a0978bbe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019dc396-79fa-7653-9030-4586a0978bbe_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_019dc396-79fa-7653-9030-4586a0978bbe" xlink:to="loc_us-gaap_CreditFacilityDomain_019dc396-79fa-7653-9030-4586a0978bbe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019dc396-79fa-76dd-8d13-7da73313f1f6" 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_019dc396-79fa-7653-9030-4586a0978bbe" xlink:to="loc_us-gaap_CreditFacilityDomain_019dc396-79fa-76dd-8d13-7da73313f1f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019dc396-79fa-74af-9130-a5ec46ae15b9" 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_019dc396-79fa-76dd-8d13-7da73313f1f6" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019dc396-79fa-74af-9130-a5ec46ae15b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019dc396-79fa-7d85-9d4a-135e29fe9d23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019dc396-79fa-7bd7-ad80-89b1955f4603" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019dc396-79fa-7d85-9d4a-135e29fe9d23" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019dc396-79fa-7d85-9d4a-135e29fe9d23_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019dc396-79fa-7d85-9d4a-135e29fe9d23" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019dc396-79fa-7d85-9d4a-135e29fe9d23_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019dc396-79fa-7013-ac08-3aa102d7df28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019dc396-79fa-7d85-9d4a-135e29fe9d23" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019dc396-79fa-7013-ac08-3aa102d7df28" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019dc396-79fa-7a0b-8870-2aa8deb84bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019dc396-79fa-7013-ac08-3aa102d7df28" xlink:to="loc_us-gaap_LineOfCreditMember_019dc396-79fa-7a0b-8870-2aa8deb84bf4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019dc396-79fa-7b84-82c0-19253c0afa5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019dc396-79fa-7013-ac08-3aa102d7df28" xlink:to="loc_us-gaap_SecuredDebtMember_019dc396-79fa-7b84-82c0-19253c0afa5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_019dc396-79fa-788b-888c-3ad853abe24d" 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_SubsequentEventTable_019dc396-79fa-7bd7-ad80-89b1955f4603" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_019dc396-79fa-788b-888c-3ad853abe24d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019dc396-79fa-788b-888c-3ad853abe24d_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_019dc396-79fa-788b-888c-3ad853abe24d" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019dc396-79fa-788b-888c-3ad853abe24d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019dc396-79fa-793b-9bef-70fdcececb01" 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_019dc396-79fa-788b-888c-3ad853abe24d" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019dc396-79fa-793b-9bef-70fdcececb01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_019dc396-79fa-7da8-9c3d-d9f7725eda33" 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_019dc396-79fa-793b-9bef-70fdcececb01" xlink:to="loc_us-gaap_SubsequentEventMember_019dc396-79fa-7da8-9c3d-d9f7725eda33" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019dc396-79fa-7aa1-bb3c-f9bf2193bf7c" 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_SubsequentEventTable_019dc396-79fa-7bd7-ad80-89b1955f4603" xlink:to="loc_us-gaap_DebtInstrumentAxis_019dc396-79fa-7aa1-bb3c-f9bf2193bf7c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019dc396-79fa-7aa1-bb3c-f9bf2193bf7c_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_019dc396-79fa-7aa1-bb3c-f9bf2193bf7c" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019dc396-79fa-7aa1-bb3c-f9bf2193bf7c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019dc396-79fa-743f-b055-d450064ece4c" 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_019dc396-79fa-7aa1-bb3c-f9bf2193bf7c" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019dc396-79fa-743f-b055-d450064ece4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_TermLoanFacilityDue2026Member_019dc396-79fa-7530-ab3e-54b880932ec6" xlink:href="ihrt-20260331.xsd#ihrt_TermLoanFacilityDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019dc396-79fa-743f-b055-d450064ece4c" xlink:to="loc_ihrt_TermLoanFacilityDue2026Member_019dc396-79fa-7530-ab3e-54b880932ec6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_IncrementalTermLoanFacilityDue2026Member_019dc396-79fa-7d64-b6f2-c97692191a1b" xlink:href="ihrt-20260331.xsd#ihrt_IncrementalTermLoanFacilityDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019dc396-79fa-743f-b055-d450064ece4c" xlink:to="loc_ihrt_IncrementalTermLoanFacilityDue2026Member_019dc396-79fa-7d64-b6f2-c97692191a1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ihrt_A6.375SeniorSecuredNotesMember_019dc396-79fa-7dd9-a9c7-0a50015ff0ba" xlink:href="ihrt-20260331.xsd#ihrt_A6.375SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019dc396-79fa-743f-b055-d450064ece4c" xlink:to="loc_ihrt_A6.375SeniorSecuredNotesMember_019dc396-79fa-7dd9-a9c7-0a50015ff0ba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019dce44-3646-7751-811e-8a9ac7c34384" 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_SubsequentEventLineItems_019dc396-79fa-727b-9acf-b71237716510" xlink:to="loc_us-gaap_LineOfCredit_019dce44-3646-7751-811e-8a9ac7c34384" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_019dce44-3646-780c-a567-5dc72a7cc914" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019dc396-79fa-727b-9acf-b71237716510" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_019dce44-3646-780c-a567-5dc72a7cc914" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019dce44-3646-7fd9-a3ce-751ff62d5cea" 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_SubsequentEventLineItems_019dc396-79fa-727b-9acf-b71237716510" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019dce44-3646-7fd9-a3ce-751ff62d5cea" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
