67 entries under expression topic. ×

5
on the ball(adjective, idiom, adverb, keen)
4
on the alert(adjective, idiom, alert, attentive)
3
all ears(adjective, sharp, bright, lively)
3
on duty(adjective, active, busy, occupied)
2
at it(adjective, active, busy, occupied)
2
at work(adjective, active, busy, occupied)
2
in harness(adjective, active, busy, occupied)
2
on guard(adjective, keen, sharp, bright)
2
on the lookout(adjective, idiom, sharp, lively)
2
on the qui vive(adjective, idiom, keen, sharp)
2
with eyes peeled(adjective, idiom, keen, alert)
1
alive to(adjective, careful, knowledgeable, cautious)
1
au courant(adjective, careful, aware, attentive)
1
fast on the draw(adjective, idiom, sharp, lively)
1
full of business
1
good hands(adjective, sharp, bright, lively)
1
hanging on every word(adjective, idiom, considerate, aware)
1
hard at it
1
hard at work
1
heads up(adjective, sharp, bright, lively)
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APASmart Define. (2015). on the job thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/on_the_job/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the job thesaurus" https://smartdefine.org/on_the_job/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, on the job thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/on_the_job/thesaurus/synonyms>.
MLASmart Define. "on the job thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/on_the_job/thesaurus/synonyms>