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

• guard (against)
• look out (for)
• beware (of)
• notice

Examples of watch out in a Sentence

watch out for hazards in the road

Recent Examples on the Web

To protect yourself, don't give out deeply personal information to online platforms, use two-factor authentication, and even watch out for phishing emails. —Tara Lynch, CBS News, 8 May 2026

Each puzzle has exactly one solution, so watch out for words or items that seem to belong to multiple categories! —Mark Cooper, New York Times, 7 May 2026

People deserve a government that watches out for our people’s best interests, not one that abuses its powers and sells us to the highest bidder. —Lucas Robinson, San Diego Union-Tribune, 7 May 2026

Traders will also watch out for the latest readings on construction spending, consumer credit, jobless claims for the week ending May 2 and first-quarter preliminary unit labor costs and productivity indexes. —Lisa Kailai Han, CNBC, 6 May 2026

Word History

First Known Use

1845, in the meaning defined above

Rhymes for watch out

• about
• bailout
• blackout
• blowout
• breakout
• burnout
• buyout
• checkout
• closeout
• cutout
• devout
• dropout

Kids Definition

watch out

verb

: to be on the lookout

watch out for cars