12
traitorous(adjective, mean, base, false, dishonest)
12
uncertain(adjective, nervous, doubtful, dubious, unpredictable)
11
corrupt(adjective, mean, bad, low, base)
11
two-faced(adjective, mean, base, false, dishonest)
10
devious(adjective, mean, bad, base, dishonest)
10
shady(adjective, false, corrupt, uncertain, dishonest)
10
untrusty(adjective, uncertain, nervous, dishonest, doubtful)
9
sneaky(adjective, false, dishonest, cunning, deceitful)
9
unsafe(adjective, dishonest, deceitful, unpredictable, unreliable)
9
unscrupulous(adjective, mean, bad, base, false)
9
unstable(adjective, weak, false, careless, loose)
8
dishonorable(adjective, mean, bad, evil, base)
8
dishonourable
8
doubtful(adjective, weak, uncertain, nervous, sensitive)
8
insincere(adjective, false, dishonest, cunning, deceitful)
8
recreant(adjective, mean, base, false, dishonest)
8
tricky(adjective, false, dishonest, cunning, deceitful)
8
trustless(adjective, uncertain, dishonest, doubtful, deceitful)
8
unsteady(adjective, unreliable, uneven, unsound, insecure)
8
unsure(adjective, uncertain, nervous, dishonest, doubtful)
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/untrustworthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/untrustworthy/thesaurus/synonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 30 September 2026. <https://smartdefine.org/untrustworthy/thesaurus/synonyms>