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[feyth-lis] /ˈfeɪθ lɪs/
not adhering to allegiance, promises, vows, or duty:
the faithless behavior of Benedict Arnold.
not trustworthy; unreliable.
without trust or belief.
being without religious faith.
(among Christians) bereft of Christian faith.
Origin of faithless
1250-1300; Middle English faithles. See faith, -less
Related forms
faithlessly, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for faithless
Historical Examples
  • She spoke quite civilly, but I was not sure that she liked my calling him "faithless."

    Four Ghost Stories Mrs. Molesworth
  • We are all faithless at times, and without the excuse of meek and anxious love.

    Deerbrook Harriet Martineau
  • But these governments were barbarous, faithless, and regardless of the duties of humanity and justice.

  • Nothing will be easier than to bring back the faithless one to your feet!

    Carmen Prosper Merimee
  • In these poems Turks are always unreliable and cruel; Venetians are crafty; the faithless wife is usually lured away by a Turk.

    Serbia: A Sketch Helen Leah Reed
  • It's her husband, to whom she has been faithless while he was away, and he is drowned at sea.

    The Lady From The Sea Henrik Ibsen
  • Alone and despoiled of everything, she wandered through the wilderness, seeking her faithless consort.

    Akbar P. A. S. van Limburg-Brouwer
  • Tyisandhlu had not been faithless to the friendship between them.

    The Sign of the Spider Bertram Mitford
  • This faithless friend has unwittingly done you a great service.

  • Now they tell you, and seem to show you, that he is faithless.

    Fair Margaret H. Rider Haggard
British Dictionary definitions for faithless


unreliable or treacherous
dishonest or disloyal
having no faith or trust
lacking faith, esp religious faith
Derived Forms
faithlessly, adverb
faithlessness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for faithless

c.1300, "unbelieving," from faith + -less. Meaning "insincere" is mid-14c. Related: Faithlessly; faithlessness.

Online Etymology Dictionary, © 2010 Douglas Harper
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