Synonyms|708Antonyms|215|Broader|14Narrower|0Related|623
1
dishonorable(adjective, honorable)
1
doubtful(adjective, false)
1
fly-by-night(adjective, unreliable, shady)
1
fraudulent(adjective, open, genuine)
1
shady
1
suspect(verb, adjective, doubtful)
1
uncertain(clear, sure)
1
crooked
1
dubious(adjective, doubtful)
1
faithless
1
fickle
1
inconstant
1
insincere(adjective, open, sincere)
1
mendacious
1
perfidious
1
shifty(adjective, deceitful, untrustworthy)
1
slippery
1
sneaky
1
tricky
1
capricious
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APASmart Define. (2015). trustworthy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/trustworthy/thesaurus/antonyms
ChicagoSmart Define. 2015. "trustworthy thesaurus" https://smartdefine.org/trustworthy/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, trustworthy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/trustworthy/thesaurus/antonyms>.
MLASmart Define. "trustworthy thesaurus" 24 October 2015. Web. 28 September 2026. <https://smartdefine.org/trustworthy/thesaurus/antonyms>