26
treacherous(adjective, mean, continue, base, false)
24
false(noun, adjective, mean, continue, base)
24
perfidious(noun, adjective, mean, continue, base)
24
unfaithful(noun, adjective, mean, continue, base)
24
untrustworthy(adjective, mean, base, false, dishonest)
20
disloyal(adjective, mean, continue, base, false)
20
traitorous(adjective, mean, continue, base, false)
19
deceitful(noun, adjective, false, dishonest, immoral)
18
dishonest(adjective, false, immoral, cunning, deceitful)
18
fickle(adjective, false, cold, hot, dishonest)
17
untrue(noun, adjective, continue, false, dishonest)
16
recreant(noun, adjective, mean, continue, base)
15
hypocritical(noun, adjective, mean, bad, base)
15
unreliable(adjective, false, dishonest, deceitful, lying)
14
inconstant(adjective, false, dishonest, immoral, rotten)
12
treasonable(adjective, mean, base, false, fickle)
12
unbelieving(adjective, dishonest, untrustworthy, sinful, unfaithful)
10
irreligious(adjective, ungodly, irreligious, unbelieving, unspiritual)
10
treasonous(adjective, fickle, untrustworthy, unprincipled, disloyal)
9
agnostic(adjective, uncertain, hesitant, dubious, unsure)
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APASmart Define. (2015). faithless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/faithless/thesaurus/synonyms
ChicagoSmart Define. 2015. "faithless thesaurus" https://smartdefine.org/faithless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, faithless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/faithless/thesaurus/synonyms>.
MLASmart Define. "faithless thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/faithless/thesaurus/synonyms>