Synonyms|358Antonyms|119|Broader|7Narrower|1Related|1.3k

110 entries under untrustworthy topic. ×

1
foresworn(adjective, false, fickle, untrue)
1
gone to the dogs(expression, adjective, idiom, dishonest, immoral)
1
moonlighting(adjective, false, fickle, untrue)
1
not true to(expression, adjective, idiom, false, fickle)
1
of bad faith(expression, adjective, idiom, false, fickle)
1
on the take(expression, adjective, idiom, dishonest, immoral)
1
open(adjective, dishonest, immoral, rotten)
1
padded(adjective, dishonest, immoral, rotten)
1
perjurious(adjective, fickle, unprincipled, dirty-dealing)
1
praetorian(adjective, dishonest, immoral, rotten)
1
profiteering(adjective, dishonest, immoral, rotten)
1
racket up(expression, adjective, dishonest, immoral, rotten)
1
reprobate(adjective, dishonest, immoral, rotten)
1
snide(noun, adjective, hard, evil, rough)
1
suborned(adjective, dishonest, immoral, rotten)
1
tainted(adjective, dishonest, immoral, rotten)
1
unconverted(adjective, false, dishonest, dubious, fickle)
1
undutiful(fickle, unprincipled, dirty-dealing)
1
wide open(expression, adjective, dishonest, immoral, rotten)
1
wormlike(adjective, untrue, tricky, subtle)
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APASmart Define. (2016). perfidious thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/perfidious/thesaurus/synonyms
ChicagoSmart Define. 2016. "perfidious thesaurus" https://smartdefine.org/perfidious/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2016, perfidious thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>.
MLASmart Define. "perfidious thesaurus" 4 March 2016. Web. 2 October 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms>