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 new health advisory, the CDC urged doctors to be on the lookout for possible exposures and to administer vaccines and treatments as needed. — Aria Bendix, NBC news, 10 Sep. 2026

The coast guard made a radio broadcast to ships nearby to be on the lookout for passengers of the ferry. — ABC News, 9 Sep. 2026

So what should Bronco fans be on the lookout for ahead of Saturday’s potentially season-defining game? — Idaho Statesman, 8 Sep. 2026

Mild altitude sickness can quickly turn serious, so be on the lookout for these symptoms. — Katie Hill, Outdoor Life, 3 Sep. 2026

Rhymes for be on the lookout for

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