keep one's eyes open

verb

To be on the alert; to watch carefully or vigilantly for something.

Meanings

verbkeep one's eyes open (third-person singular simple present keeps one's eyes open, present participle keeping one's eyes open, simple past and past participle kept one's eyes open)

present singular third person keeps one's eyes open · participle present keeping one's eyes open · participle past kept one's eyes open · past kept one's eyes open

  1. To be on the alert; to watch carefully or vigilantly for something.

    Synonyms: keep an eye peeled

Synonyms & antonyms

verbTo be on the alert; to watch carefully or vigilantly for something.

More synonyms by meaning

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Hungarian nyitva tartja a szemét
  • nyitva tartja a szemétto be on the alert; to watch carefully or vigilantly for something
Polish mieć oczy dookoła głowy, mieć oczy szeroko otwarte
  • mieć oczy dookoła głowyto be on the alert; to watch carefully or vigilantly for something
  • mieć oczy szeroko otwarteto be on the alert; to watch carefully or vigilantly for something
  • mieć się na bacznościto be on the alert; to watch carefully or vigilantly for something
Cite this entry
APA

keep one's eyes open. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/keep%20one's%20eyes%20open

MLA

“keep one's eyes open.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/keep%20one's%20eyes%20open. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “keep one's eyes open,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/keep%20one's%20eyes%20open.

Source: keep one's eyes open on Wiktionary, CC BY-SA 4.0.