Synonyms|1.4kAntonyms|370|Broader|31Narrower|60Related|1.3k

199 entries under expression topic. ×

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on top of(idiom, sharp, alive)
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on watch(idiom, care)
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on your guard(idiom, aware, attentive, wary)
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on your toes(idiom, adverb, aware, clued-in)
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open to suggestions(adjective, idiom, open, friendly)
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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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red alert
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see after(adjective, careful, cautious, attentive)
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see to(adjective, careful, cautious, attentive)
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semper paratus(idiom, preparation)
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sharp as a tack(idiom, smart, intelligent, clever)
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sharp sighted
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take over(energetic, daring, resourceful, industrious)
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taking care(idiom, care)
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wise one up(verb, idiom, advise, warn)
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with weather eye open(idiom, keen, careful, attentive)
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with your wits about you(idiom, aware, clued-in)
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word of warning(idiom, notice, caution, caveat)
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APASmart Define. (2016). alert thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/alert/thesaurus/synonyms
ChicagoSmart Define. 2016. "alert thesaurus" https://smartdefine.org/alert/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, alert thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/alert/thesaurus/synonyms>.
MLASmart Define. "alert thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/alert/thesaurus/synonyms>