279 entries under expression topic. ×

1
lead out(fast, rapid, swift)
1
like new(adjective, good, clear, pleasant)
1
looking for(anxious, alert, careful, watchful)
1
looking to(anxious, alert, careful, cautious)
1
lost in thought(adjective, idiom, reasonable, sober)
1
move it(fast, rapid, swift)
1
move on(fast, rapid, swift)
1
not missing a trick(adjective, idiom, alert, careful)
1
on alert(anxious, alert, careful, cautious)
1
on empty stomach(adjective, idiom, eager, greedy)
1
on guard(adjective, anxious, alert, careful)
1
on pins and needles(adjective, idiom, violent, anxious)
1
on the double(idiom, fast, rapid, swift)
1
on the inside(sharp, smart, intelligent, clever)
1
on the lookout(adjective, idiom, anxious, alert)
1
on the qui vive(adjective, idiom, anxious, alert)
1
on the watch(adjective, idiom, alert, careful)
1
on to(adjective, understanding, sensible, certain)
1
on toes(anxious, alert, careful, cautious)
1
on top of(sharp, smart, intelligent, clever)
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APASmart Define. (2016). keen thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/keen/thesaurus/synonyms
ChicagoSmart Define. 2016. "keen thesaurus" https://smartdefine.org/keen/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, keen thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/keen/thesaurus/synonyms>.
MLASmart Define. "keen thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/keen/thesaurus/synonyms>