keep one's eyes open

phrase

variants or keep one's eyes peeled
: to be on the alert : be watchful

Word History

First Known Use

1697, in the meaning defined above

Time Traveler
The first known use of keep one's eyes open was in 1697

Rhymes for keep one's eyes open

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Browse Nearby Words

keep one's eyes glued to
keep one's eyes open
keep one's eyes skinned
See all Nearby Words

Cite this Entry

“Keep one's eyes open.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20one%27s%20eyes%20open. Accessed 26 Aug. 2026.

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Last Updated: - Definition revised
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