1
hush-hush(dishonest, cunning, deceitful, sneaky, underhanded)
1
illusory(mean, smooth, false, cunning, knowing)
1
inventive
1
manipulative(adjective, negative, shrewd, scheming, bad behavior)
1
masterly(adjective, artful)
1
oblique(dishonest, cunning, deceitful, tricky, crafty)
1
oily
1
pat
1
proficient(adjective, artful)
1
ready
1
roguish(mean, smooth, false, cunning, knowing)
1
secret(mean, smooth, dishonest, cunning, deceitful)
1
secretive(mean, smooth, corrupt, dishonest, deceitful)
1
serpentine
1
silken
1
silky
1
skulking(sneaky, covert, secretive, conspiratorial)
1
slinking(sneaky, covert, secretive, conspiratorial)
1
sophistical
1
streetwise(smooth, sharp, cunning, deceitful, sly)
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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>