be on the lookout for
idiom
variants
or keep a lookout for
: to watch or search for (something or someone) : be alert to
Be on the lookout for flooded roads after heavy rainstorms.
The police officer walked through the neighborhood, keeping a (sharp) lookout for any suspicious activity.
Examples of be on the lookout for in a Sentence
Recent Examples on the Web
On the morning of July 12, 2007 police were on the lookout for a truck captured on surveillance footage near a parking lot off I-24 in Nashville where a woman’s body had been found two weeks earlier.
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Sarah Nelson, IndyStar, 2 July 2025
Her advice to parents includes simply being on the lookout for signs that their child may be at risk of suicide, and, always, removing guns from their homes.
—Cameron Knight, The Enquirer, 2 July 2025
Orca scientists with drone footage are probably going to be on the lookout for this sort of behavior now, Giles said.
—Marlowe Starling, CNN Money, 23 June 2025
Apple and Brian Stamps, then a Pea Ridge police officer, heard a dispatch about 11:30 a.m. June 26, 2021, to be on the lookout for a Jeep fleeing from Rogers police.
—Nwa Democrat-Gazette, Arkansas Online, 20 June 2025
See All Example Sentences for be on the lookout for
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Sarah Nelson, IndyStar, 2 July 2025
Her advice to parents includes simply being on the lookout for signs that their child may be at risk of suicide, and, always, removing guns from their homes.
—Cameron Knight, The Enquirer, 2 July 2025
Orca scientists with drone footage are probably going to be on the lookout for this sort of behavior now, Giles said.
—Marlowe Starling, CNN Money, 23 June 2025
Apple and Brian Stamps, then a Pea Ridge police officer, heard a dispatch about 11:30 a.m. June 26, 2021, to be on the lookout for a Jeep fleeing from Rogers police.
—Nwa Democrat-Gazette, Arkansas Online, 20 June 2025
See All Example Sentences for be on the lookout for
Cite this Entry
“Be on the lookout for.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20on%20the%20lookout%20for. Accessed 16 Jul. 2025.
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