83 entries under mean topic. ×

14
shifty(adjective, smooth, wrong, smart)
14
cunning(adjective, smooth, smart, false)
14
devious(adjective, fake, base, false)
14
duplicitous(adjective, fake, base, false)
13
wily(adjective, smooth, smart, false)
12
recreant(adjective, continue, base, false)
12
scheming(adjective, smooth, dishonest, deceitful)
11
artful(adjective, smooth, dishonest, deceitful)
11
designing(adjective, smooth, smart, false)
11
evil(adjective, bad, hard, rough)
11
sneaky(adjective, smooth, smart, false)
11
treasonable(adjective, base, false, dishonest)
10
villainous(adjective, bad, evil, base)
9
slick(adjective, informal, false, dishonest)
8
calculating(adjective, smooth, dishonest, cunning)
8
guileful(adjective, smooth, wrong, smart)
8
underhanded(adjective, base, false, dishonest)
7
deceiving(adjective, bad, evil, false)
7
foul(adjective, bad, base, dishonest)
7
renegade(adjective, bad, evil, base)
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APASmart Define. (2016). treacherous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/treacherous/thesaurus/synonyms
ChicagoSmart Define. 2016. "treacherous thesaurus" https://smartdefine.org/treacherous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, treacherous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/treacherous/thesaurus/synonyms>.
MLASmart Define. "treacherous thesaurus" 4 March 2016. Web. 29 September 2026. <https://smartdefine.org/treacherous/thesaurus/synonyms>