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