watch out

verb

watched out; watching out; watches out

intransitive verb

: to be vigilant or alert : be on the lookout
you'd better watch out
watch out for the tree!

Examples of watch out in a Sentence

watch out for hazards in the road
Recent Examples on the Web
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.
Each puzzle has exactly one solution, so watch out for words or items that seem to belong to multiple categories! Mark Cooper, New York Times, 23 May 2026 That said, the Avalanche allowed the most shorthanded goals during the regular season and one against Minnesota, so that will be something to watch out for. Corey Masisak, Denver Post, 20 May 2026 Ernest and Otis, watch out for the family. Erik Ortiz, NBC news, 20 May 2026 The symptoms to watch out for include being thirsty, having dark urine and feeling fatigued. Stephanie Stahl, CBS News, 19 May 2026 See All Example Sentences for watch out

Word History

First Known Use

1845, in the meaning defined above

Time Traveler
The first known use of watch out was in 1845

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Cite this Entry

“Watch out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watch%20out. Accessed 31 May. 2026.

Kids Definition

watch out

verb
: to be on the lookout
watch out for cars

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