Synonyms|453Antonyms|138|Broader|10Narrower|14Related|1.4k

119 entries under untrustworthy topic. ×

2
sneaky(adjective, false, dishonest, cunning, deceitful)
2
snide(noun, adjective, false, dishonest, immoral)
2
unassured(adjective, dishonest, deceitful, unreliable, fickle)
2
underhanded(adjective, mean, bad, base, dishonest)
2
unethical(adjective, dishonest, immoral, rotten, fickle)
2
unpatriotic(adjective, fickle, untrue, unprincipled)
1
adulterine(adjective, false, fickle, untrue)
1
bent(adjective, dishonest, immoral, rotten)
1
bribable(adjective, dishonest, immoral, rotten)
1
double dealing(noun, expression, adjective, false, rotten)
1
exploiting(adjective, dishonest, immoral, rotten)
1
extortionate(adjective, dishonest, immoral, rotten)
1
fixed(adjective, dishonest, immoral, rotten)
1
foresworn(adjective, false, fickle, untrue)
1
foul(adjective, mean, base, dishonest, immoral)
1
gone to the dogs(expression, adjective, idiom, dishonest, immoral)
1
guileful(adjective, false, dishonest, cunning, deceitful)
1
iniquitous(adjective, dishonest, immoral, rotten)
1
mercenary(adjective, dishonest, immoral, rotten)
1
moonlighting(adjective, false, fickle, untrue)
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ChicagoSmart Define. 2015. "faithless thesaurus" https://smartdefine.org/faithless/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, faithless thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/faithless/thesaurus/synonyms>.
MLASmart Define. "faithless thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/faithless/thesaurus/synonyms>