39 entries under expression topic. ×

7
on guard(adjective, adverb, sharp, lively)
3
all ears(adjective, sharp, lively, careful)
3
on the ball(adjective, sharp, lively, alert)
3
on the watch(adjective, idiom, adverb, alert)
2
on the job(adjective, idiom, sharp, lively)
2
on the qui vive(adjective, idiom, sharp, lively)
1
fast on the draw(adjective, idiom, sharp, lively)
1
good hands(adjective, sharp, bright, lively)
1
hanging on every word(adjective, idiom, considerate, responsive)
1
heads up(adjective, sharp, bright, lively)
1
looking for(adjective, keen, alert, careful)
1
looking to(adjective, keen, alert, careful)
1
on alert(adjective, keen, alert, careful)
1
on toes(adjective, keen, alert, careful)
1
playing it cool(adjective, idiom, careful, prudent)
1
playing safe(adjective, careful, thoughtful, prudent)
1
psyched up(adjective, sharp, bright, lively)
1
switched on(adjective, sharp, bright, lively)
1
taking it easy(adjective, idiom, careful, prudent)
1
taking it slow(adjective, idiom, careful, prudent)
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APASmart Define. (2015). on the lookout thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on_the_lookout/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the lookout thesaurus" https://smartdefine.org/on_the_lookout/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, on the lookout thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_the_lookout/thesaurus/synonyms>.
MLASmart Define. "on the lookout thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/on_the_lookout/thesaurus/synonyms>