keep one's guard up

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keep one's guard up

verb keeps one's guard up · keeping one's guard up · kept one's guard up

To be careful and alert to the possibility of danger.
Similar: have one's guard up, be on one's guard · Opposite: lower one's guard, let one's guard down

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verb Translations

Français	rester sur ses gardes

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MLA

"keep one's guard up." Wiktionary, via Micwyn, micwyn.com/word/keep%20one's%20guard%20up. Accessed 6 Nov. 2026.

APA

keep one's guard up. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/keep%20one's%20guard%20up

Chicago

"keep one's guard up." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/keep%20one's%20guard%20up.

BibTeX

@misc{keep_one_s_guard_up_2026,
  title = {keep one's guard up},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/keep%20one's%20guard%20up},
  urldate = {2026-11-06}
}