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unfaithful

adjectiveattested in dialogue

Not having religious faith.

adjective

  1. 1

    Not having religious faith.

  2. 2

    Not keeping good faith; disloyal; not faithful.

  3. 3

    Adulterous.

    French Gates has said that many things contributed to her decision to divorce Bill in 2021 after 27 years of marriage, among them that he was unfaithful to her and that he maintained contact with Epstein, despite her objections.

  4. 4

    Not honest or upright.

  5. 5

    Negligent or imperfect.

    The painting was an unfaithful rendering of its subject.

  6. 6

    Not faithfully rendering the meaning of the source language; incorrect.

Etymology

From Middle English unfeithful, equivalent to un- + faithful.

Forms

comparative
more unfaithful
superlative
most unfaithful
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).