4
smart(adjective, mean, smooth, sharp, informal)
4
vulpine
3
acute
3
adept(adjective, cunning, subtle, tactful, sly)
3
evil
3
insincere(adjective, false, dishonest, cunning, deceitful)
3
pawky
3
stealthy(adjective, mean, smooth, false, dishonest)
3
untrustworthy(adjective, false, dishonest, cunning, deceitful)
2
cheating(adjective, false, corrupt, dishonest, cunning)
2
deceiving(adjective, false, dishonest, cunning, deceitful)
2
dicey
2
hypocritical
2
intriguing(adjective, mean, smooth, sensitive, intelligent)
2
keen(smooth, sharp, sensitive, intelligent, deceitful)
2
lubricious(adjective, honest, underhand)
2
mendacious(adjective, wrong, false, dishonest, cunning)
2
misleading(adjective, smooth, wrong, false, dishonest)
2
perfidious(adjective, wrong, false, dishonest, deceitful)
2
snaky
10 years ago|12k views|share |citing 
APASmart Define. (2016). guileful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/guileful/thesaurus/synonyms
ChicagoSmart Define. 2016. "guileful thesaurus" https://smartdefine.org/guileful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, guileful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/guileful/thesaurus/synonyms>.
MLASmart Define. "guileful thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/guileful/thesaurus/synonyms>