Synonyms|32Antonyms|0|Broader|0Narrower|0Related|6
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eagle-eyed
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forewarned
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hawk-eyed
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heedful(adjective, wary)
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leery(adjective, suspicious)
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lookout
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on the alert
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on the watch(adjective, wary)
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sharp
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wakeful
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warned
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wistful
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APASmart Define. (2015). on one's guard thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/on_one%27s_guard/thesaurus/synonyms
ChicagoSmart Define. 2015. "on one's guard thesaurus" https://smartdefine.org/on_one%27s_guard/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, on one's guard thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/on_one%27s_guard/thesaurus/synonyms>.
MLASmart Define. "on one's guard thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/on_one%27s_guard/thesaurus/synonyms>