182 entries under keen topic. ×

1
wakeful(anxious, alert, careful, cautious)
1
waspish(sharp, lively, violence)
1
watchful(smart, careful, shrewd, clever)
1
wide-awake(anxious, alert, careful, attentive)
1
wired(adjective, understanding, sharp, fine)
1
with eyes peeled(expression, idiom, alert, careful)
1
with weather eye open(expression, idiom, anxious, careful)
0
choleric(sharp, lively)
0
concise(sharp, perceptive, terse)
0
cranky(sharp, lively)
0
cross(sharp, lively)
0
ear to the ground(expression, idiom, understanding, sensitive)
0
experienced(adjective, smooth, sharp, intelligent)
0
hot-tempered(sharp, lively)
0
irascible(sharp, lively)
0
irritable sarcastic(expression, sharp, lively)
0
quick-tempered(sharp, lively)
0
sharp-tempered(sharp, lively)
0
snappish(sharp, lively)
0
spunky(sharp, lively)
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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>