infidelity
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infidelity
- /ˌɪnfɪˈdɛlɪti/
Where it comes from
From Middle English infidelite, from Middle French infidelité (modern French infidélité) and its etymon Latin īnfidēlitās. Equivalent to infidel + -ity.
noun infidelities
-
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.
Your friends tell you rumors about your girlfriend's infidelity or you remember being broken up around the time the baby was conceived.
Similar: Synonyms: adultery
-
Unfaithfulness in some other moral obligation.
It was disastrous that England's infidelity towards Frederick the Great — which no one, not even a German, condemned more strongly than did William Pitt — had to affect one of the most popular heroes of our national history.
Similar: betrayal
-
Lack of religious belief.
The means used to this purpose are partly didactical, and partly protreptical; demonstrating the truth of the gospel, and then urging the professors of those truths to be stedfast^([sic]) in the faith, and to beware of infidelity.
Similar: irreligion, faithlessness
Opposite: faithfulness, loyalty, fidelity
Thesaurus
Closest in meaning: unfaithfulness, adultery, affair, cheating, treachery, disloyalty, betrayal, treason, sin, faithlessness, duplicity, unchastity, backstabbing, falsehood, cuckoldry, two-timing
noun
Opposite: faithfulness, loyalty, fidelity
Translations
Every language
noun unfaithfulness in marriage or other moral obligation
| Español | infidelidad |
|---|---|
| 中文 | 異心 /异心 yìxīn, 不貞 /不贞 bùzhēn |
| Português | infidelidade |
| Français | infidélité |
| Deutsch | Untreue |
| Română | infidelitate |
| Русский | неве́рность nevérnostʹ |
| العربية | خِيَانَة ḵiyāna |
noun lack of religious belief
| Español | infidelidad |
|---|---|
| Português | infidelidade |
| Русский | безве́рие bezvérije, безбо́жие bezbóžije, неве́рие nevérije |
| العربية | كُفْر kufr, زَنْدَقَة zandaqa |
Talk about this word "infidelity." Wiktionary, via Micwyn, micwyn.com/word/infidelity. Accessed 6 Nov. 2026. infidelity. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/infidelity "infidelity." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/infidelity.Cite this
@misc{infidelity_2026,
title = {infidelity},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/infidelity},
urldate = {2026-11-06}
}
