unfaithful Hear it!

unfaithful Definition

un·faith·ful (-fāt̸hfəl)

adjective

  1. failing to observe the terms of a vow, promise, understanding, etc., or false to allegiance or duty; faithless; disloyal
  2. not true, accurate, or reliable; untrustworthy
  3. engaging in sexual relations with someone other than one's spouse, lover, etc.; adulterous
  4. Archaic lacking good faith; dishonest
  5. Obsolete infidel

  • unfaltering
unfaithful Related Forms
un·faith·fully adverb un·faith·ful·ness noun
unfaithful Synonyms

unfaithful

modif.

  1. Not faithful

    false, untrue, deceitful, foresworn, unreliable, traitorous, treasonable, perfidious, not true to, of bad faith, treacherous, untrustworthy, shifty, unreliable.

    Antonyms faithful*, constant*, loyal. *

  2. Having broken the marriage vow

    adulterous, philandering, incontinent, unchaste; see wicked 1.

unfaithful Usage Examples

Modifying Another Word

  • so: Instead, they'd been so unfaithful to God that he'd allowed them to be invaded and exiled as a judgment.
  • notoriously: He does not seem to have had much luck in his marriage; his wife Janey was notoriously unfaithful.
  • frequently: Onassis was frequently unfaithful, but the marriage remained unchallenged until he encountered opera diva, Maria Callas.
  • often: Employers are often unfaithful to fulfill their obligations and responsibilities to those in their employ.

Modifies a noun

  • husband: His client then stabs her unfaithful husband to death with the knife she had been chopping parsley with.
  • lover: Unfaithful lovers, betrayal by friends, sooner or later the pain must end.
  • servant: The unfaithful servant did nothing - he didn't trade.
  • partner: The unfaithful partner must end the affair, once and for all.
  • spouse: The Church has sold herself to the world, and is now merely like all unfaithful spouses that have betrayed their true husbands.

Used with adjective complement

  • become: Some men may become secretly unfaithful to their wives.
  • prove: They had proved unfaithful, they had proved to be false, they were so unlike the Savior.
  • seem: Unfortunately some of the thinking seemed unfaithful to the Bible.
unfaithful Quotes

Confidence in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.

—Bible (Old Testament)

There are all kinds of ways of being unfaithful, not the worst of them with your body.

—Wylie, BettyJane