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
If driving, be on the lookout for sudden changes in visibility, especially when driving near bodies of water.
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Nc Weather Bot, Charlotte Observer, 7 Dec. 2025
The Raiders, Browns and Jets could and probably should all be on the lookout for a QB in this class, and there’s plenty of room for shakeups across the next few months.
—Luca Evans, Denver Post, 5 Dec. 2025
As Yuengling’s rollout in Wisconsin continues, the company said to be on the lookout for special events throughout the state, as well.
—Rachel Bernhard, jsonline.com, 1 Dec. 2025
As millions of Americans search apps and websites for deals, experts warn that consumers should be on the lookout for fraudsters who will try to capitalize on the holiday shopping rush.
—Mary Cunningham, CBS News, 28 Nov. 2025
See All Example Sentences for be on the lookout for
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Nc Weather Bot, Charlotte Observer, 7 Dec. 2025
The Raiders, Browns and Jets could and probably should all be on the lookout for a QB in this class, and there’s plenty of room for shakeups across the next few months.
—Luca Evans, Denver Post, 5 Dec. 2025
As Yuengling’s rollout in Wisconsin continues, the company said to be on the lookout for special events throughout the state, as well.
—Rachel Bernhard, jsonline.com, 1 Dec. 2025
As millions of Americans search apps and websites for deals, experts warn that consumers should be on the lookout for fraudsters who will try to capitalize on the holiday shopping rush.
—Mary Cunningham, CBS News, 28 Nov. 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 14 Dec. 2025.
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