182 entries under keen topic. ×

1
sensatory(adjective, understanding, fine, sensible)
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sensile(adjective, understanding, fine, sensible)
1
sensorial(adjective, understanding, fine, sensible)
1
sensory(adjective, understanding, fine, sensible)
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sharp-cornered(sharp, piercing)
1
sleepless(anxious, alert, careful, cautious)
1
sophic(adjective, understanding, smooth, sharp)
1
streetwise(adjective, smooth, sharp, smart)
1
supersensitive(adjective, understanding, fine, sensible)
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susceptible(adjective, delicate, unstable, precise)
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susceptive(adjective, understanding, fine, sensible)
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tense(adjective, understanding, fine, sensible)
1
ticklish(adjective, understanding, fine, sensible)
1
touchy(adjective, understanding, sharp, fine)
1
touchy feely(expression, adjective, understanding, fine)
1
tuned in(expression, adjective, understanding, sharp)
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turned on to(expression, adjective, idiom, understanding)
1
umbrageous(adjective, understanding, fine, sensible)
1
unsleeping(anxious, alert, careful, cautious)
1
waiting on(expression, anxious, alert, careful)
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APASmart Define. (2016). acute thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/acute/thesaurus/synonyms
ChicagoSmart Define. 2016. "acute thesaurus" https://smartdefine.org/acute/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, acute thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/acute/thesaurus/synonyms>.
MLASmart Define. "acute thesaurus" 23 February 2016. Web. 29 September 2026. <https://smartdefine.org/acute/thesaurus/synonyms>