102 entries under expression topic. ×

5
on the job(adjective, idiom, adverb, keen)
4
all ears(adjective, sharp, bright, lively)
3
au fait(adjective, familiar, decent, adequate)
3
on guard(adjective, keen, sharp, bright)
3
on the lookout(adjective, sharp, lively, alert)
2
on the alert(idiom, alert, aware, attentive)
2
on the beam(idiom, fair, agreeable, proper)
2
on the qui vive(idiom, keen, sharp, bright)
2
quick on the uptake(idiom, smart, bright, clever)
2
sharp as a tack(idiom, smart, skilled, capable)
2
up to snuff(fair, agreeable, adequate, qualified)
2
with it(adjective, adverb, sharp, lively)
1
according to Hoyle(idiom, right, perfect, exact)
1
alive to(adjective, careful, knowledgeable, cautious)
1
all around(decent, knowledgeable, adequate, qualified)
1
all right(pleasant, fair, agreeable, adequate)
1
all there(bright, sharp-witted, quick-thinking)
1
au courant(familiar, careful, aware, attentive)
1
being a pistol(idiom, decent, adequate, qualified)
1
cooking with gas(idiom, fair, agreeable, proper)
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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>