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
Detectives had been on the lookout for the source of deliveries like phones and cigarettes following roughly 10 predawn drops in two weeks.
—
Brian Niemietz, New York Daily News, 24 May 2025
Tasters were on the lookout for balanced flavors of citrus, sweetness, earth, smoke and vegetal notes.
—Sam Stone, Bon Appetit Magazine, 13 May 2025
With the summer travel season quickly approaching, travelers may be on the lookout for tips and tricks to help things go smoothly.
—Michael Cappetta, Travel + Leisure, 25 Apr. 2025
Law enforcement officers will be on the lookout for drunk drivers in the Sacramento region.
—Sarah Linn, Sacbee.com, 9 May 2025
See All Example Sentences for be on the lookout for
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Brian Niemietz, New York Daily News, 24 May 2025
Tasters were on the lookout for balanced flavors of citrus, sweetness, earth, smoke and vegetal notes.
—Sam Stone, Bon Appetit Magazine, 13 May 2025
With the summer travel season quickly approaching, travelers may be on the lookout for tips and tricks to help things go smoothly.
—Michael Cappetta, Travel + Leisure, 25 Apr. 2025
Law enforcement officers will be on the lookout for drunk drivers in the Sacramento region.
—Sarah Linn, Sacbee.com, 9 May 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 1 Jun. 2025.
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