5
crafty
5
devious(noun, adjective, mean, base, false)
5
disbelieving(adjective, uncertain, hesitant, unsure, irreligious)
5
infidel
5
pagan(adjective, sinful, ungodly, irreligious, unspiritual)
5
renegade(adjective, mean, bad, evil, base)
5
skeptical(adjective, uncertain, dishonest, unsettled, hesitant)
4
apostate(adjective, mean, bad, evil, low)
4
artful
4
deceptive(noun, adjective, bad, false, dishonest)
4
disaffected(adjective, untrue, untrustworthy, treacherous, unfaithful)
4
disingenuous(adjective, false, dishonest, deceitful, falsehood)
4
doubtful(adjective, uncertain, hesitant, unsure, believing)
4
doubting(adjective, uncertain, dishonest, unsettled, hesitant)
4
fluctuating(adjective, dishonest, untrustworthy, unfaithful, disloyal)
4
fraudulent(adjective, false, dishonest, immoral, cunning)
4
hollow(adjective, wrong, false, dishonest, deceitful)
4
irresponsible(adjective, dishonest, deceitful, unreliable, insecure)
4
mendacious(adjective, false, dishonest, deceitful, falsehood)
4
of bad faith(expression, adjective, idiom, false, fickle)
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APASmart Define. (2015). faithless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/faithless/thesaurus/synonyms
ChicagoSmart Define. 2015. "faithless thesaurus" https://smartdefine.org/faithless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, faithless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/faithless/thesaurus/synonyms>.
MLASmart Define. "faithless thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/faithless/thesaurus/synonyms>