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
Each week, the Tennessean is on the lookout for stand-out students in various categories of achievement, and service throughout schools in Middle Tennessee.
—
Kerri Bartlett, Nashville Tennessean, 15 Dec. 2025
All locations are below freezing, so be on the lookout for black ice and any refreeze, especially on untreated surfaces.
—Trey Fulbright, CBS News, 11 Dec. 2025
Citizens Energy customers should be on the lookout for a seasonal greeting from the gas and water utility this winter — with a card that is more fetid than festive.
—Karl Schneider, IndyStar, 10 Dec. 2025
If driving, be on the lookout for sudden changes in visibility, especially when driving near bodies of water.
—Nc Weather Bot, Charlotte Observer, 7 Dec. 2025
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.
Kerri Bartlett, Nashville Tennessean, 15 Dec. 2025
All locations are below freezing, so be on the lookout for black ice and any refreeze, especially on untreated surfaces.
—Trey Fulbright, CBS News, 11 Dec. 2025
Citizens Energy customers should be on the lookout for a seasonal greeting from the gas and water utility this winter — with a card that is more fetid than festive.
—Karl Schneider, IndyStar, 10 Dec. 2025
If driving, be on the lookout for sudden changes in visibility, especially when driving near bodies of water.
—Nc Weather Bot, Charlotte Observer, 7 Dec. 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 18 Dec. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share