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

Watson also warned county residents to be on the lookout for unlicensed contractors. — Caroline Zimmerman, Kansas City Star, 22 Aug. 2026

Environmental advocates are asking everyone to be on the lookout for a couple of invasive species that are making Michigan their home and causing some damage. — Elle Meyers, CBS News, 19 Aug. 2026

Think ahead and always be on the lookout for potential gifts. — Emma Ashe, Southern Living, 18 Aug. 2026

To help make sure students stay safe, South Florida police will be on the lookout for traffic violations, especially around schools and school buses. — Amaia Gavica, Miami Herald, 7 Aug. 2026

Rhymes for be on the lookout for

• abhor
• abor
• adore
• afore
• ardour
• ashore
• backdoor
• before
• bookstore
• candour
• centaur
• claymore