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

99 entries under sharp topic. ×

4
all ears(expression, adjective, bright, lively)
4
experienced(adjective, good, smooth, keen)
4
heedful(adjective, bright, lively, alert)
4
ingenious(adjective, smooth, keen, smart)
4
open-eyed(adjective, keen, alert, careful)
4
wise(adjective, smooth, keen, smart)
3
active(adjective, bright, lively, alert)
3
adroit(adjective, smooth, smart, bright)
3
astute(adjective, smooth, keen, smart)
3
on guard(expression, adjective, keen, bright)
3
on the lookout(expression, adjective, lively, alert)
3
quick-witted(adjective, smart, bright, familiar)
3
savvy(adjective, smooth, keen, smart)
3
wakeful(adjective, keen, bright, alert)
3
wary(adjective, keen, bright, lively)
2
acute(adjective, smooth, keen, smart)
2
apt(adjective, good, smooth, smart)
2
brainy(adjective, smooth, keen, smart)
2
cagey(adjective, smooth, keen, smart)
2
circumspect(adjective, keen, bright, lively)
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APASmart Define. (2015). on the ball thesaurus. Retrieved September 26, 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 26, 2026).
HarvardSmart Define 2015, on the ball thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/on_the_ball/thesaurus/synonyms>.
MLASmart Define. "on the ball thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/on_the_ball/thesaurus/synonyms>