10
canny(adjective, mean, smooth, sharp, sly)
10
dishonest(adjective, mean, smooth, wrong, smart)
10
ingenious(adjective, mean, smooth, cunning, knowing)
10
slippery(adjective, false, negative, dishonest, cunning)
10
sneaky(adjective, mean, smooth, smart, honest)
9
dodgy
9
double-dealing(adjective, mean, smooth, wrong, smart)
9
duplicitous(adjective, honest, false, dishonest, deceitful)
9
treacherous(adjective, mean, smooth, wrong, smart)
8
astute(adjective, smooth, sharp, cunning, sly)
8
smooth(adjective, mean, sharp, informal, cunning)
8
tricksy
8
underhanded(adjective, honest, false, dishonest, cunning)
7
crooked(adjective, mean, smooth, smart, false)
7
cute
7
deceptive(adjective, mean, smooth, wrong, smart)
7
fraudulent(adjective, false, dishonest, cunning, deceitful)
7
subtle(adjective, mean, smooth, sharp, cunning)
7
two-faced(adjective, wrong, false, dishonest, cunning)
6
dexterous(adjective, sensitive, intelligent, cunning, shrewd)
10 years ago|12k views|share |citing 
APASmart Define. (2016). guileful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/guileful/thesaurus/synonyms
ChicagoSmart Define. 2016. "guileful thesaurus" https://smartdefine.org/guileful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, guileful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/guileful/thesaurus/synonyms>.
MLASmart Define. "guileful thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/guileful/thesaurus/synonyms>