on your guard


Also found in: Thesaurus, Idioms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.on your guard - vigilanton your guard - vigilant; "on guard against con artists"; "must remain on your guard in such a situation"
wary - marked by keen caution and watchful prudence; "they were wary in their movements"; "a wary glance at the black clouds"; "taught to be wary of strangers"
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