60 entries under unsound topic. ×

25
dishonest(adjective, false, corrupt, dishonest, immoral)
25
treacherous(adjective, mean, base, false, dishonest)
22
faithless(adjective, mean, base, false, dishonest)
20
false(adjective, mean, base, dishonest, cunning)
20
dubious(adjective, uncertain, nervous, dishonest, doubtful)
18
deceitful(adjective, false, dishonest, immoral, cunning)
16
unfaithful(adjective, mean, base, false, dishonest)
16
disloyal(adjective, mean, base, false, dishonest)
16
fickle(adjective, false, careless, foolish, dishonest)
15
slippery(adjective, false, uncertainty, uncertain, dishonest)
14
shifty(adjective, false, dishonest, cunning, deceitful)
13
perfidious(adjective, mean, base, false, dishonest)
12
traitorous(adjective, mean, base, false, dishonest)
12
uncertain(adjective, nervous, doubtful, dubious, unpredictable)
11
two-faced(adjective, mean, base, false, dishonest)
9
unstable(adjective, weak, false, careless, loose)
8
doubtful(adjective, weak, uncertain, nervous, sensitive)
8
recreant(adjective, mean, base, false, dishonest)
8
tricky(adjective, false, dishonest, cunning, deceitful)
8
unsteady(adjective, unreliable, uneven, insecure)
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/untrustworthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/untrustworthy/thesaurus/synonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 1 October 2026. <https://smartdefine.org/untrustworthy/thesaurus/synonyms>