noun (plural -ties) Date: 15th century 1. lack of belief in a religion 2. a. unfaithfulness to a moral obligation ; disloyalty b. marital unfaithfulness or an instance of it

New Collegiate Dictionary. 2001.


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  • Infidelity — In fi*del i*ty, n.; pl. {Infidelities}. [L. infidelitas: cf. F. infid[ e]lit[ e].] [1913 Webster] 1. Lack of faith or belief in some religious system; especially, a lack of faith in, or disbelief of, the inspiration of the Scriptures, of the… …   The Collaborative International Dictionary of English

  • infidelity — I noun abandonment of allegiance, apostasy, bad faith, betrayal, betrayal of oath, betrayal of trust, breach of faith, breach of promise, breach of trust, broken faith, broken word, cuckoldry, deceitfulness, defection, desertion, disaffection,… …   Law dictionary

  • infidelity — c.1400, want of faith, unbelief in religion; false belief, paganism; also (early 15c.) unfaithfulness or disloyalty to a person (originally to a sovereign, by 16c. to a lover or spouse), from Fr. infidélité, from L. infidelitatem (nom.… …   Etymology dictionary

  • infidelity — [n] disloyalty to an obligation adultery, affair, bad faith, betrayal, cheating, duplicity, extramarital relations, faithlessness, falseness, falsity, inconstancy, lewdness, perfidiousness, perfidy, treacherousness, treachery, treason, two… …   New thesaurus

  • infidelity — ► NOUN (pl. infidelities) 1) the action or state of being sexually unfaithful. 2) lack of religious faith …   English terms dictionary

  • infidelity — [in΄fə del′ə tē] n. [L infidelitas < infidelis: see INFIDEL] 1. the fact or state of being an infidel 2. unfaithfulness or disloyalty to another; esp., sexual unfaithfulness of a husband or wife; adultery 3. pl. infidelities an unfaithful or… …   English World dictionary

  • Infidelity — Relationships Types …   Wikipedia

  • infidelity — n. 1) conjugal, marital infidelity 2) infidelity to (infidelity to one s ideals) * * * [ˌɪnfɪ delɪtɪ] marital infidelity conjugal infidelity to (infidelity to one s ideals) …   Combinatory dictionary

  • infidelity — [[t]ɪ̱nfɪde̱lɪti[/t]] infidelities N VAR Infidelity occurs when a person who is married or in a steady relationship has sex with another person. George turned a blind eye to his partner s infidelities... I divorced him for infidelity …   English dictionary

  • infidelity — UK [ˌɪnfɪˈdelətɪ] / US noun [countable/uncountable] Word forms infidelity : singular infidelity plural infidelities a situation in which someone has sex with someone who is not their husband, wife, or partner …   English dictionary

  • infidelity — in|fi|del|i|ty [ˌınfıˈdelıti] n plural infidelities [U and C] when someone has sex with a person who is not their wife, husband, or partner ▪ marital infidelity …   Dictionary of contemporary English

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