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

32 entries under alert topic. ×

9
wakeful(adjective, keen, anxious, careful)
9
watchful(adjective, keen, careful, restless)
8
vigilant(adjective, careful, restless, disturbed)
5
wide-awake(adjective, keen, anxious, careful)
4
attentive(adjective, keen, careful, restless)
4
wary(adjective, keen, careful, restless)
3
observant(adjective, keen, careful, restless)
2
anxious(adjective, keen, careful, unsettled)
2
cautious(adjective, keen, careful, attentive)
2
guarded(keen, anxious, careful, cautious)
2
keen(anxious, careful, cautious, attentive)
2
on guard(expression, keen, anxious, careful)
2
on the alert(expression, idiom, careful, restless)
2
on the ball(expression, idiom, keen, careful)
2
on the job(expression, idiom, keen, careful)
2
on the lookout(expression, idiom, keen, careful)
2
open-eyed(keen, anxious, careful, cautious)
2
sharp(keen, anxious, careful, attentive)
1
acute(keen, anxious, careful, cautious)
1
agog(keen, anxious, careful, cautious)
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APASmart Define. (2015). sleepless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sleepless/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepless thesaurus" https://smartdefine.org/sleepless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sleepless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sleepless/thesaurus/synonyms>.
MLASmart Define. "sleepless thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/sleepless/thesaurus/synonyms>