135 entries under expression topic. ×

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on guard(alert, aware, clued-in)
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on lookout(cautious, tactful, circumspect)
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on the inside(sharp, smart, intelligent, clever)
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on the lookout(idiom, smooth, alert, wise)
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on the stick(idiom, alert, aware, clued-in)
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on the up and up(honest, straight, upright, valid)
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on top of(sharp, smart, intelligent, clever)
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on your toes(idiom, alert, aware, clued-in)
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one hundred per cent(adjective, idiom, pure, real)
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out on limb(idiom, easy, ready, affected)
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playing safe(wise, practical)
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playing with full deck(idiom, rational, healthy, stable)
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quick on trigger(idiom, smart, bright, intelligent)
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quick to respond(idiom, open, receptive, reactive)
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recognizable distinct(obvious, visible, apparent)
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render sensible(idiom, physical sensibility)
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set in stone(adjective, idiom, firm, solid)
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showing good judgement
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soft hearted(idiom, sensibility)
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solid as a rock(adjective, idiom, firm, solid)
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APASmart Define. (2016). sensible thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sensible/thesaurus/synonyms
ChicagoSmart Define. 2016. "sensible thesaurus" https://smartdefine.org/sensible/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, sensible thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sensible/thesaurus/synonyms>.
MLASmart Define. "sensible thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/sensible/thesaurus/synonyms>