54 entries under sly topic. ×

8
serpentine(adjective, cunning, winding)
6
fraudulent(adjective, false, dishonest, deceitful, tricky)
5
furtive(adjective, mean, smooth, false)
4
mischievous(adjective, mean, smooth, wicked, cunning)
4
shady(adjective, dishonest, deceitful, tricky)
4
stealthy(adjective, mean, smooth, false, cunning)
3
keen(adjective, smooth, sharp, smart, intelligent)
2
clandestine(adjective, false, dishonest, secret, untrustworthy)
2
dissembling(adjective, mean, smooth, cunning, knowing)
2
misleading(adjective, false, deceitful, hypocritical)
2
secret(adjective, mean, smooth, cunning, knowing)
2
streetwise(smooth, sharp, smart, intelligent, clever)
2
surreptitious(mean, dishonest, deceitful, crafty)
2
traitorous(adjective, mean, smooth, cunning, knowing)
1
closet(hidden, fraudulent)
1
covert(mean, smooth, cunning, knowing)
1
delusory(false, deceitful, deceptive, devious)
1
illegitimate(hidden, fraudulent)
1
in holes and corners(expression, idiom, hidden, fraudulent)
1
on the quiet(expression, idiom, hidden, fraudulent)
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APASmart Define. (2016). artful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/artful/thesaurus/synonyms
ChicagoSmart Define. 2016. "artful thesaurus" https://smartdefine.org/artful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, artful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/artful/thesaurus/synonyms>.
MLASmart Define. "artful thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/artful/thesaurus/synonyms>