3
leery(cunning, considerate, cautious, prudent, suspicious)
3
like a fox(expression, idiom)
3
like a wink(expression, idiom)
3
like some grins(expression, idiom)
3
like some winks(expression, idiom)
3
masterly(adjective, cunning, handy, treacherous, adroit)
3
mean(adjective, smooth, dishonest, cunning, deceitful)
3
misleading(adjective, false, deceitful, artful, slippery)
3
not easily caught(expression, idiom)
3
oblique(false, dishonest, cunning, vague, deceitful)
3
private(adjective, secret, hidden, clandestine, underground)
3
reticent(wary, clandestine, underground, guarded, undisclosed)
3
sagacious(adjective, smooth, keen, sharp, smart)
3
sarcastic(adjective, sharp, ambiguous, ironic, deadpan)
3
shrewdly tricky
3
sophisticated(adjective, witty, intuitive)
3
stallone nickname
3
streetwise(adjective, smooth, keen, sharp, smart)
3
undercover(adjective, quiet, dishonest, cunning, deceitful)
3
underhandedly clever
10 years ago|25k views|share |citing 
APASmart Define. (2016). sly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sly/thesaurus/synonyms
ChicagoSmart Define. 2016. "sly thesaurus" https://smartdefine.org/sly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, sly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sly/thesaurus/synonyms>.
MLASmart Define. "sly thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/sly/thesaurus/synonyms>