53 entries under smooth topic. ×

2
discerning(adjective, keen, sharp, smart)
2
dishonorable(adjective, mean, corrupt, dishonest)
2
perceptive(adjective, keen, sharp, smart)
2
savvy(adjective, keen, sharp, smart)
1
brainy(adjective, good, keen, sharp)
1
farsighted(adjective, keen, sharp, smart)
1
heady(adjective, keen, sharp, smart)
1
in the know(expression, adjective, idiom, keen)
1
judicious(adjective, keen, sharp, smart)
1
on the ball(expression, adjective, idiom, keen)
1
sensible(adjective, good, keen, sharp)
1
wry(adjective, cunning, deceitful, subtle)
0
experienced(adjective, keen, sharp, sensitive)
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APASmart Define. (2016). sly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sly/thesaurus/synonyms
ChicagoSmart Define. 2016. "sly thesaurus" https://smartdefine.org/sly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sly/thesaurus/synonyms>.
MLASmart Define. "sly thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/sly/thesaurus/synonyms>