Synonyms|185Antonyms|49|Broader|0Narrower|0Related|5

23 entries under keen topic. ×

14
alert(adjective, adverb, sharp, lively)
6
attentive(adjective, sharp, lively, restrained)
6
cautious(adjective, adverb, restrained, alert)
4
circumspect(adjective, sharp, lively, restrained)
3
aware(adjective, alert, careful, considerate)
3
guarded(adjective, adverb, alert, careful)
3
open-eyed(adjective, sharp, bright, alert)
3
sharp(adjective, bright, lively, alert)
3
wakeful(adjective, sharp, alert, careful)
2
careful(adjective, adverb, sharp, lively)
2
sleepless(adjective, anxious, alert, careful)
2
wide-awake(adjective, sharp, lively, alert)
1
acute(adjective, anxious, alert, careful)
1
agog(adjective, anxious, alert, careful)
1
anxious(adjective, alert, careful, attentive)
1
looking for(expression, adjective, alert, careful)
1
looking to(expression, adjective, alert, careful)
1
on alert(expression, adjective, alert, careful)
1
on toes(expression, adjective, alert, careful)
1
unsleeping(adjective, anxious, alert, careful)
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APASmart Define. (2015). on the lookout thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/on_the_lookout/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the lookout thesaurus" https://smartdefine.org/on_the_lookout/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, on the lookout thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/on_the_lookout/thesaurus/synonyms>.
MLASmart Define. "on the lookout thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/on_the_lookout/thesaurus/synonyms>