Synonyms|231Antonyms|67|Broader|2Narrower|0Related|250

30 entries under keen topic. ×

1
careful(adjective, alert, restless, disturbed)
1
circumspect(adjective, alert, careful, attentive)
1
looking for(expression, anxious, alert, careful)
1
looking to(expression, anxious, alert, careful)
1
on alert(expression, anxious, alert, careful)
1
on the qui vive(expression, idiom, alert, careful)
1
on toes(expression, anxious, alert, careful)
1
waiting on(expression, anxious, alert, careful)
1
with eyes peeled(expression, idiom, alert, careful)
1
with weather eye open(expression, idiom, anxious, careful)
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APASmart Define. (2015). sleepless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sleepless/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepless thesaurus" https://smartdefine.org/sleepless/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, sleepless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sleepless/thesaurus/synonyms>.
MLASmart Define. "sleepless thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/sleepless/thesaurus/synonyms>