look out

Idioms  

1. Also, watch out. Be careful, be watchful, as in Look out that you don't slip and fall on the ice, or Watch out! There's a car coming. [c. 1600] Also see look out for.

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Example Sentences

Dr Punam joins us to discuss the red flags to look out for in your health.

From BBC • May 5, 2026

Maxey will Maxey and George should remain George, but if Joel gets going like he did against Boston, look out below.

From The Wall Street Journal • May 4, 2026

Against the famously physical Rockets, the 6-foot-2 guard doesn’t look out of place on defense.

From Los Angeles Times • Apr. 25, 2026

We live in a world where people don’t even bother to look out the window in the morning before picking up their phones, ready to get online and join in whatever discourse the day’s generating.

From Salon • Apr. 25, 2026

I look out the train window, and I think about the statues of Harriet, Nat, and the others, and the photos of Guardians helping runaways.

From "The Manifestor Prophecy" by Angie Thomas