Synonyms|77Antonyms|4|Broader|1Narrower|0Related|11
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prepared(alert, aware, attentive, wary, observant)
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roused
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see after(expression, alert, attentive, observant)
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see to(expression, alert, attentive, observant)
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stirring
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suspicious(alert, attentive, observant)
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swing
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up
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up and about
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vigil
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vigilance
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waiting on(expression, alert, attentive, watchful)
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watch
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wide awake
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wistful
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with eyes peeled(expression, idiom, alert, attentive, watchful)
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with weather eye open(expression, idiom, alert, attentive, watchful)
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APASmart Define. (2015). on the alert thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/on_the_alert/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the alert thesaurus" https://smartdefine.org/on_the_alert/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, on the alert thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/on_the_alert/thesaurus/synonyms>.
MLASmart Define. "on the alert thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/on_the_alert/thesaurus/synonyms>