infidelity
noun [C or U] /ˌɪn.fɪˈdel.ə.ti/
/-fəˈdel.ə.t̬i/ Definition
› (an act of) having sex with someone who is not your husband, wife, or regular sexual partner, or (an example of) not being loyal or faithful: marital/sexual infidelity She could not forgive his many infidelities.Disloyalty, betrayal and treasonInfidelity in relationships
(Definition of infidelity noun from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
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Synonyms and related words:
- backstabber noun
- betrayal noun
- break ranks idiom
- collaborate verb (SUPPORT AN ENEMY)
- collaboration noun (HELPING AN ENEMY)
- deserter noun
- desertion noun
- double-cross verb
- faithless adjective (NOT LOYAL)
- false adjective (NOT LOYAL)
- fifth column noun
- high treason noun
- sell sb down the river idiom
- sellout noun (BROKEN PROMISE)
- stab sb in the back idiom
- traitor noun
- treachery noun
- treasonable adjective
- un-American adjective
- unfaithful adjective
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