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

95 entries under alert topic. ×

9
sharp(adjective, adverb, smooth, keen, smart)
8
attentive(adjective, adverb, keen, sharp, bright)
8
observant(adjective, keen, sharp, bright, lively)
7
bright(adjective, sharp, smart, lively)
7
quick(adjective, smooth, sharp, smart, bright)
7
watchful(adjective, keen, sharp, bright, lively)
7
wide-awake(adjective, adverb, keen, sharp, bright)
6
alive(adjective, adverb, sharp, attention)
6
perceptive(adjective, smooth, keen, sharp, smart)
6
ready(adjective, adverb, smooth, sharp, smart)
5
awake(adjective, adverb, sharp, attention)
5
careful(adjective, keen, sharp, bright, lively)
5
clever(adjective, good, smooth, keen, sharp)
5
intelligent(adjective, good, smooth, keen, sharp)
5
keen(adjective, smooth, sharp, smart, bright)
5
on the job(expression, adjective, idiom, adverb, keen)
5
vigilant(adjective, sharp, bright, lively)
4
all ears(expression, adjective, sharp, bright, lively)
4
heedful(adjective, sharp, bright, lively)
4
open-eyed(adjective, keen, sharp, careful)
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APASmart Define. (2015). on the ball thesaurus. Retrieved September 29, 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 29, 2026).
HarvardSmart Define 2015, on the ball thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_the_ball/thesaurus/synonyms>.
MLASmart Define. "on the ball thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/on_the_ball/thesaurus/synonyms>