English Explanatory Dictionary

infidelity

English dictionary entry

Meanings

noun
  1. Unfaithfulness in a marriage or an intimate (sexual or romantic) relationship: practice or instance of having a sexual or romantic affair with someone other than one's spouse, without the consent of the spouse.
  2. Unfaithfulness in some other moral obligation.
  3. Lack of religious belief.

Pronunciation

/ˌɪnfɪˈdɛlɪti/ LL-Q1860 (eng)-Vininn126-infidelity.wav

Word forms

infidelity infidelities

Etymology

From Middle English infidelite, from Middle French infidelité (modern French infidélité) and its etymon Latin īnfidēlitās. Equivalent to infidel + -ity.

Synonyms

Synonyms: adultery betrayal irreligion faithlessness

Antonyms

faithfulness loyalty fidelity

Related words

infidel low fidelity nullifidianism unfaithfulness
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