be on the lookout for

variants or keep a lookout for
as in notice
to be cautious of or on guard against After the storm, the police told the public to be on the lookout for downed power lines. The public should remain vigilant and keep a lookout for any suspicious activity.

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Cite this Entry

“Be on the lookout for.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/be%20on%20the%20lookout%20for. Accessed 3 Dec. 2022.

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