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!

Synonyms of watch out

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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.
Continue reading … SKY-HIGH RIVALRY – Sydney Sweeney tells Tom Cruise to 'watch out' after strapping herself to top of airplane. — FOXNews.com, 25 Aug. 2026 As the season goes on, watch out for Carroll to make a massive jump. — Charles Baggarly, Fort Worth Star-Telegram, 24 Aug. 2026 After games, watch out for the players craving french fries at Newbury Park and knowing someone to seek out who can help. — Eric Sondheimer, Los Angeles Times, 20 Aug. 2026 Also, watch out for this Ralph Barahona kid, who’s going to score 100 percent of his career goal against you in his March 1991 debut. — Sean McIndoe, New York Times, 19 Aug. 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

Rhymes for watch out

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Browse Nearby Words

watch oneself
watch out
watch over
See all Nearby Words

Cite this Entry

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

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Kids Definition

watch out

verb
: to be on the lookout
watch out for cars
Last Updated: - Updated example sentences
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