faithless

[ feyth-lis ]
/ ˈfeɪθ lɪs /

adjective

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

First recorded in 1250–1300, faithless is from the Middle English word faithles. See faith, -less

OTHER WORDS FROM faithless

faith·less·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for faithless

British Dictionary definitions for faithless

faithless
/ (ˈfeɪθlɪs) /

adjective

unreliable or treacherous
dishonest or disloyal
having no faith or trust
lacking faith, esp religious faith

Derived forms of faithless

faithlessly, adverbfaithlessness, 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