be on the lookout for
phrase
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
In a Facebook post last Friday, Garden City Mayor Bill Jacobs shared a photo from a neighbor of a snapping turtle and called on residents to be on the lookout for these giants.
—
Hannah Smith
july 1,
Idaho Statesman,
1 July 2026
See All Example Sentences for be on the lookout for
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Hannah Smith
july 1,
Idaho Statesman,
1 July 2026
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 5 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
