Synonyms|477Antonyms|26|Broader|4Narrower|0Related|17

95 entries under alert topic. ×

4
wise(adjective, smooth, keen, sharp, smart)
3
active(adjective, sharp, bright, lively)
3
agog(keen, careful, attentive, watchful)
3
mindful(adjective, intelligent, considerate, aware)
3
on guard(expression, adjective, keen, sharp, bright)
3
on the lookout(expression, adjective, sharp, lively)
3
wakeful(adjective, keen, sharp, bright)
3
wary(adjective, keen, sharp, bright, lively)
2
acute(adjective, smooth, keen, sharp, smart)
2
advertent(intelligent, attentive, watchful, sharp-eyed)
2
cagey(adjective, smooth, keen, sharp, smart)
2
circumspect(adjective, keen, sharp, bright, lively)
2
clear-sighted(intelligent, attentive, watchful, sharp-eyed)
2
intentive(intelligent, attentive, watchful, sharp-eyed)
2
lively(adjective, sharp, bright, aware)
2
on one's toes(adjective, adverb, attention)
2
on the alert(expression, idiom, aware, attentive)
2
on the qui vive(expression, idiom, keen, sharp, bright)
2
regardful(adjective, careful, caring, thoughtful)
2
sleepless(keen, careful, attentive, watchful)
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APASmart Define. (2015). on the ball thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/on_the_ball/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the ball thesaurus" https://smartdefine.org/on_the_ball/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, on the ball thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/on_the_ball/thesaurus/synonyms>.
MLASmart Define. "on the ball thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/on_the_ball/thesaurus/synonyms>