54 entries under keen topic. ×

11
masterly(adjective, good, great, tough)
10
agile(adjective, smart, fun, intelligent)
10
calculating(adjective, smooth, sharp, smart)
10
smooth(adjective, sharp, smart, sensitive)
8
efficient(adjective, smart, intelligent, decent)
7
insightful(adjective, cool, sound, sharp)
7
penetrating(adjective, sharp, smart, bright)
5
incisive(adjective, sharp, smart, intelligent)
5
judicious(adjective, cool, sound, smooth)
5
on the ball(expression, adjective, idiom, good, smooth)
4
discriminating(adjective, sharp, smart, sensitive)
4
experienced(adjective, good, cool, sound, smooth)
3
profound(adjective, sharp, smart, bright)
3
streetwise(adjective, smooth, sharp, smart)
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APASmart Define. (2016). clever thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/clever/thesaurus/synonyms
ChicagoSmart Define. 2016. "clever thesaurus" https://smartdefine.org/clever/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, clever thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/clever/thesaurus/synonyms>.
MLASmart Define. "clever thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/clever/thesaurus/synonyms>