Synonyms|780Antonyms|150|Broader|14Narrower|12Related|1.4k

138 entries under untrustworthy topic. ×

9
uncertain(adjective, delicate, sensitive, unpredictable, unreliable)
8
guileful(adjective, mean, smooth, wrong, smart)
8
underhanded(adjective, mean, base, false, dishonest)
8
unprincipled(adjective, low, false, corrupt, dishonest)
7
deceiving(adjective, mean, bad, evil, false)
7
foul(adjective, mean, bad, base, dishonest)
7
inconstant(adjective, false, unstable, dishonest, immoral)
7
mendacious(adjective, wrong, false, dishonest, cunning)
6
dubious(adjective, corrupt, dishonest, deceitful, unpredictable)
6
fly-by-night(adjective, false, dishonest, deceitful, dubious)
6
knavish(adjective, hard, evil, rough, nasty)
6
shady(adjective, false, corrupt, dishonest, immoral)
6
untruthful(adjective, wrong, false, corrupt, dishonest)
5
base(adjective, mean, bad, unpleasant, horrible)
5
cheating(adjective, false, dishonest, cunning, deceitful)
5
double-crossing(adjective, wrong, false, dishonest, cunning)
5
furtive(adjective, mean, smooth, smart, dishonest)
5
two-timing(adjective, wrong, false, dishonest, cunning)
4
bent(adjective, false, dishonest, immoral, deceitful)
4
conniving(adjective, mean, smooth, smart, dishonest)
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APASmart Define. (2016). treacherous thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/treacherous/thesaurus/synonyms
ChicagoSmart Define. 2016. "treacherous thesaurus" https://smartdefine.org/treacherous/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2016, treacherous thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/treacherous/thesaurus/synonyms>.
MLASmart Define. "treacherous thesaurus" 4 March 2016. Web. 2 October 2026. <https://smartdefine.org/treacherous/thesaurus/synonyms>