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
Officials were on the lookout for anything that could render an immigrant deportable, the department initially told the Associated Press (AP), potentially affecting up to 55 million people.
—
Dan Gooding, MSNBC Newsweek, 21 Aug. 2025
The club, nevertheless, is on the lookout for reinforcements in attack.
—James McNicholas, New York Times, 19 Aug. 2025
But, true to form, the author says eagle-eyed readers should still be on the lookout for little twists and turns.
—Max Gao, HollywoodReporter, 18 Aug. 2025
Still, swimmers and boaters should be on the lookout for strong waves and riptides this week at Maryland beaches.
—Baltimore Sun Staff, Baltimore Sun, 17 Aug. 2025
See All Example Sentences for be on the lookout for
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Dan Gooding, MSNBC Newsweek, 21 Aug. 2025
The club, nevertheless, is on the lookout for reinforcements in attack.
—James McNicholas, New York Times, 19 Aug. 2025
But, true to form, the author says eagle-eyed readers should still be on the lookout for little twists and turns.
—Max Gao, HollywoodReporter, 18 Aug. 2025
Still, swimmers and boaters should be on the lookout for strong waves and riptides this week at Maryland beaches.
—Baltimore Sun Staff, Baltimore Sun, 17 Aug. 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 3 Sep. 2025.
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