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.
Mildred is now taking steps to watermark her videos, website and urging you to watch out, too. Frankie McLister, CBS News, 11 Dec. 2025 Some fermented foods can be high in sodium or sugar (like kimchi and miso or yogurt, kefir, and kombucha, respectively), so that can be something to watch out for. Caroline Tien, SELF, 10 Dec. 2025 Officials warned to also watch out for the destroying angel mushroom, which also grows in California. Brie Stimson, FOXNews.com, 6 Dec. 2025 People who visited an ice cream shop in Cortez on the day before Thanksgiving should watch out for signs of measles, according to the state health department. Meg Wingerter, Denver Post, 5 Dec. 2025 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

Browse Nearby Words

Cite this Entry

“Watch out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watch%20out. Accessed 13 Dec. 2025.

Kids Definition

watch out

verb
: to be on the lookout
watch out for cars

More from Merriam-Webster on watch out

Last Updated: - Updated example sentences
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