271 entries under expression topic. ×

1
on assignment(adjective, lively, occupied, working)
1
on duty(adjective, occupied, working, engaged)
1
on edge(upset, anxious, unsettled, shaky)
1
on guard(sharp, bright, lively, alert)
1
on the lookout(idiom, sharp, bright, lively)
1
on the qui vive(idiom, sharp, bright, lively)
1
on the warpath(idiom, activity, move, attention)
1
passage d-armes(idiom, activity, move, attention)
1
persevere a(idiom, activity, move, attention)
1
play for keeps(adjective, idiom, energetic, lively)
1
play hard ball(adjective, idiom, energetic, lively)
1
privy to(adjective, activity, move, attention)
1
profound application(idiom, activity, move, attention)
1
profound attention(idiom, activity, move, attention)
1
profound study(idiom, activity, move, attention)
1
profound thought(idiom, activity, move, attention)
1
psyched up(sharp, bright, lively, alert)
1
quick as lightning(idiom, activity, move, attention)
1
quick on the draw(idiom, sharp, smart, lively)
1
quick on the trigger(idiom, sharp, smart, lively)
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APASmart Define. (2016). active thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/active/thesaurus/synonyms
ChicagoSmart Define. 2016. "active thesaurus" https://smartdefine.org/active/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, active thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/active/thesaurus/synonyms>.
MLASmart Define. "active thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/active/thesaurus/synonyms>