keep one's guard up
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English[edit]
Verb[edit]
keep one's guard up (third-person singular simple present keeps one's guard up, present participle keeping one's guard up, simple past and past participle kept one's guard up)
- To be careful and alert to the possibility of danger.
- Synonyms: have one's guard up, be on one's guard
- Antonyms: lower one's guard, let one's guard down
Translations[edit]
Translations
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References[edit]
- “keep one's guard up”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.