182 entries under keen topic. ×

1
looking for(expression, anxious, alert, careful)
1
looking to(expression, anxious, alert, careful)
1
nervous(adjective, understanding, fine, sensible)
1
on alert(expression, anxious, alert, careful)
1
on guard(expression, anxious, alert, careful)
1
on the job(expression, idiom, alert, careful)
1
on the lookout(expression, idiom, alert, careful)
1
on the qui vive(expression, idiom, alert, careful)
1
on toes(expression, anxious, alert, careful)
1
open-eyed(anxious, alert, careful, cautious)
1
oversensitive(adjective, understanding, fine, sensible)
1
peppery(adjective, strong, sharp, powerful)
1
perceiving(adjective, understanding, fine, sensible)
1
piked(adjective, sharp, point, piercing)
1
psychic(adjective, understanding, fine, sensible)
1
reactive(adjective, understanding, fine, sensible)
1
receptive(adjective, understanding, sharp, fine)
1
responsive(adjective, understanding, sharp, fine)
1
sagittate(sharp, sharpness, piercing)
1
seeing(adjective, understanding, fine, sensible)
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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>