111 entries under dubious topic. ×

31
unreliable(adjective, false, careless, foolish, uncertainty)
25
dishonest(adjective, false, corrupt, dishonest, immoral)
25
treacherous(adjective, mean, base, false, dishonest)
23
undependable(adjective, false, careless, foolish, uncertain)
18
deceitful(adjective, false, dishonest, immoral, cunning)
16
questionable(adjective, uncertainty, uncertain, dishonest, doubtful)
15
slippery(adjective, false, uncertainty, uncertain, dishonest)
14
shifty(adjective, false, dishonest, cunning, deceitful)
13
crooked(adjective, mean, base, false, corrupt)
12
fly-by-night(adjective, false, careless, foolish, uncertain)
12
uncertain(adjective, nervous, doubtful, unpredictable)
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
unstable(adjective, weak, false, careless, loose)
8
doubtful(adjective, weak, uncertain, nervous, sensitive)
8
tricky(adjective, false, dishonest, cunning, deceitful)
8
unsure(adjective, uncertain, nervous, dishonest, doubtful)
7
crafty(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>