English dictionary
on one's guard meaning and definition
Definition and meaning of on one's guard at MeaningMonkey.org. on one's guard meaning and definition in the English Dictionary.ON ONE'S GUARD adjective
Definition of on one's guard (adjective)
- vigilant
- "on guard against con artists"; "must remain on your guard in such a situation"
- synonyms: on guard, on your guard, upon one's guard
Source: Princeton University Wordnet