keep watch

idiom

: to watch to make sure that no one is coming
She kept watch outside while the others robbed the bank.

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keep vigil
keep watch
keep watch on
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Cite this Entry

“Keep watch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20watch. Accessed 13 Sep. 2025.

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