6 entries under idiom topic. ×

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on the ball(expression, alert, aware, attentive)
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on the job(expression, alert, attentive, watchful)
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on the lookout(expression, alert, aware, attentive)
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on the qui vive(expression, alert, attentive, watchful)
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with eyes peeled(expression, alert, attentive, watchful)
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with weather eye open(expression, alert, attentive, watchful)
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APASmart Define. (2013). on your guard thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on_your_guard/thesaurus/synonyms
ChicagoSmart Define. 2013. "on your guard thesaurus" https://smartdefine.org/on_your_guard/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, on your guard thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_your_guard/thesaurus/synonyms>.
MLASmart Define. "on your guard thesaurus" 28 June 2013. Web. 29 September 2026. <https://smartdefine.org/on_your_guard/thesaurus/synonyms>