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

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As earnings season winds down, investors should be on the lookout for some stocks that might still have room for upside, according to UBS. Sean Conlon, CNBC, 23 Aug. 2025 Yet there’s another reason to be on the lookout for the unforgettable character. Pamela McClintock, HollywoodReporter, 22 Aug. 2025 Lowe would likely win the fourth tackle spot right now, but the Patriots should be on the lookout for a better option. Doug Kyed, Boston Herald, 22 Aug. 2025 Officials were on the lookout for anything that could render an immigrant deportable, the department initially told the Associated Press (AP), potentially affecting up to 55 million people. Dan Gooding, MSNBC Newsweek, 21 Aug. 2025 See All Example Sentences for be on the lookout for

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“Be on the lookout for.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20on%20the%20lookout%20for. Accessed 8 Sep. 2025.

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