55 entries under sly topic. ×

9
double-dealing(adjective, mean, smooth, wrong, smart)
9
treacherous(adjective, mean, smooth, wrong, smart)
8
astute(adjective, smooth, sharp, cunning)
8
smooth(adjective, mean, sharp, informal, cunning)
7
crooked(adjective, mean, smooth, smart, false)
7
deceptive(adjective, mean, smooth, wrong, smart)
7
subtle(adjective, mean, smooth, sharp, cunning)
6
plotting(adjective, mean, smooth, cunning, knowing)
5
arch(adjective, mean, smooth, cunning, subtle)
5
deep(adjective, smooth, sharp, cunning)
4
cagey(adjective, mean, smooth, sharp, cunning)
4
conniving(adjective, mean, smooth, smart, false)
4
politic(adjective, cunning, shrewd, subtle)
4
shady(adjective, smooth, false, dishonest, cunning)
4
smart(adjective, mean, smooth, sharp, informal)
3
adept(adjective, cunning, subtle, tactful)
2
keen(smooth, sharp, sensitive, intelligent, deceitful)
2
misleading(adjective, smooth, wrong, false, dishonest)
2
sneaking(adjective, mean, smooth, smart, false)
2
unscrupulous(adjective, mean, smooth, smart, false)
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APASmart Define. (2016). guileful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/guileful/thesaurus/synonyms
ChicagoSmart Define. 2016. "guileful thesaurus" https://smartdefine.org/guileful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, guileful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/guileful/thesaurus/synonyms>.
MLASmart Define. "guileful thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/guileful/thesaurus/synonyms>