29 entries under keen topic. ×

5
alert(adjective, adverb, sharp, bright)
5
on the ball(expression, adjective, idiom, adverb)
4
attentive(adjective, adverb, sharp, bright)
4
watchful(adjective, sharp, bright, lively)
4
wide-awake(adjective, adverb, sharp, bright)
3
agog(adjective, anxious, alert, careful)
3
aware(adjective, careful, considerate, attentive)
3
careful(adjective, sharp, bright, lively)
3
observant(adjective, sharp, bright, lively)
3
open-eyed(adjective, anxious, alert, careful)
2
circumspect(adjective, sharp, bright, lively)
2
on guard(expression, adjective, sharp, bright)
2
on the qui vive(expression, adjective, idiom, sharp)
2
sharp(adjective, adverb, bright, lively)
2
sleepless(adjective, anxious, alert, careful)
2
unsleeping(adjective, anxious, alert, careful)
2
wakeful(adjective, sharp, anxious, alert)
2
wary(adjective, sharp, bright, lively)
2
with eyes peeled(expression, adjective, idiom, alert)
1
acute(adjective, anxious, alert, careful)
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APASmart Define. (2015). on the job thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/on_the_job/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the job thesaurus" https://smartdefine.org/on_the_job/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, on the job thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/on_the_job/thesaurus/synonyms>.
MLASmart Define. "on the job thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/on_the_job/thesaurus/synonyms>