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.
Rodent burrows, in particular, Taylor said, are something people should watch out for. — Susanne Rust follow, Los Angeles Times, 24 Sep. 2026 The fall time is typically the time to watch out for animals like deer and coyotes. — Rashad Alexander, Kansas City Star, 23 Sep. 2026 Mars in Leo will also activate your second house of money the following day, so watch out for impulsive spending. — Valerie Mesa, PEOPLE, 22 Sep. 2026 The themes to watch out for There are several closed-door sessions on the agenda this year, as climate week joins the growing line-up of other sustainable fashion conferences leaning into off-record roundtables to drive candor and progress. — Bella Webb, Vogue, 17 Sep. 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 29 Sep. 2026.

Kids Definition

watch out

verb
: to be on the lookout
watch out for cars
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