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.
These are the key races to watch out for that will define the coming years in the Legislature. Rebecca Schneid, Time, 30 Dec. 2025 Common diseases to watch out for include root rot, which can be prevented with well-draining soil and a pot with plenty of drainage holes. Kim Toscano, Southern Living, 26 Dec. 2025 Root rot from overwatering is the biggest issue to watch out for. Megan Hughes, Better Homes & Gardens, 26 Dec. 2025 As a reminder, the crystal ball highlights games to watch out for in the week, aiming to correctly predict the winner, but is more-so focused on previewing close or meaningful battles. Tom Mulherin, Boston Herald, 22 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 4 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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