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.
On the other hand, watch out for collisions between strong personalities! Tarot.com, The Orlando Sentinel, 27 Jan. 2026 The fake Chrome extensions to watch out for Security researchers from Socket's Threat Research Team identified five malicious Chrome extensions connected to this campaign. Kurt Knutsson, FOXNews.com, 26 Jan. 2026 That means cars would need to watch out for e-bikes on the road. Idaho Statesman, 21 Jan. 2026 Just watch out, there’ll be a bull loose in the China shop. Lizz Schumer, PEOPLE, 19 Jan. 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

Browse Nearby Words

Cite this Entry

“Watch out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watch%20out. Accessed 28 Jan. 2026.

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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