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

163 entries under adjective topic. ×

2
on one's toes(adverb, attention, alert)
2
professional(smart, practical, expert, skilled)
2
regardful(alert, careful, caring, thoughtful)
2
sharp-witted(keen, sharp, smart, bright)
2
slick(smooth, keen, sharp, smart)
2
spirited(sharp, bright, lively, alert)
2
there(good, smooth, smart, clean)
2
unsleeping(keen, alert, careful, cautious)
2
whiz(smooth, sharp, smart, bright)
2
with it(expression, adverb, sharp, lively)
1
alive to(expression, careful, knowledgeable, cautious)
1
apprehensive(alert, careful, cautious, aware)
1
be up on(careful, knowledgeable, cautious, aware)
1
canny(smooth, keen, sharp, smart)
1
capable(smart, bright, decent, adequate)
1
cautious(keen, alert, careful, aware)
1
chary(alert, careful, cautious, aware)
1
conscientious(careful, caring, thoughtful, knowledgeable)
1
cool(smooth, pleasant, moderate, appropriate)
1
correct(right, exact, alert, intelligent)
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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>