5
perilous(insecure, risky, danger, dangerous)
5
sharp(adjective, dishonest, deceitful, unreliable, dependable)
5
sly
5
underhand(adjective, false, dishonest, cunning, deceitful)
5
unsound(adjective, wrong, false, loose, uncertain)
5
untruthful(adjective, wrong, false, dishonest, cunning)
4
cheating(adjective, false, dishonest, cunning, deceitful)
4
deceptive(adjective, mean, bad, weak, wrong)
4
foxy
4
immoral(adjective, careless, foolish, corrupt, dishonest)
4
irresolute(adjective, uncertain, nervous, doubtful, hesitant)
4
knavish(adjective, false, dishonest, immoral, cunning)
4
risky(dishonest, unreliable, uneven, insecure, unbalanced)
4
ticklish(uncertainty, uneven, insecure, unbalanced, risky)
4
underhanded(adjective, mean, bad, base, false)
4
unpredictable(adjective, weak, careless, loose, foolish)
4
unprincipled(adjective, low, false, dishonest, immoral)
4
wavering(adjective, uncertain, nervous, dishonest, doubtful)
4
weak(adjective, uncertain, nervous, sensitive, doubtful)
4
wily(adjective, false, dishonest, cunning, deceitful)
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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>