285 entries under keen topic. ×

3
bold(adjective, clear, hard, bright)
3
discreet(understanding, sensible, skill, sensitive)
3
forceful(adjective, strong, severe, intense)
3
learned(adjective, sound, smooth, smart)
3
masterful(adjective, smart, intelligent, cunning)
3
on the lookout(expression, adjective, idiom, bright)
3
passionate(adjective, strong, open, bright)
3
razor-sharp(adjective, strong, severe, fine)
3
responsible(adjective, smart, bright, intelligent)
3
sprightly(adjective, strong, pleasant, smart)
3
streetwise(adjective, smooth, smart, intelligent)
3
testy(speech, lively, unfriendly, irritable)
3
thorny(adjective, fine, acute, piercing)
3
waspish(lively, violence, irritable, tetchy)
3
whiz(noun, adjective, smooth, smart)
2
accomplished(adjective, smart, intelligent, practical)
2
algid(adjective, cool, severe, intense)
2
anxious(adjective, strong, intense, energetic)
2
below zero(expression, cool, severe, intense)
2
boreal(adjective, cool, severe, intense)
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APASmart Define. (2016). sharp thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sharp/thesaurus/synonyms
ChicagoSmart Define. 2016. "sharp thesaurus" https://smartdefine.org/sharp/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sharp thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sharp/thesaurus/synonyms>.
MLASmart Define. "sharp thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/sharp/thesaurus/synonyms>