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.

---

Example Sentences

Ellen had been very aware of symptoms but said one of the symptoms people were told to look out for was a rash, but her husband did not have one.

From BBC

It is a rare cancer, and people should look out for a lump in the area, itching and even bleeding.

From BBC

It was high in the wall, much too high to look out of, but through those twenty-eight squares I could see the sky.

From Literature

She was looking out of the window, and pointing now.

From Literature

An urgent public health alert has been issued after a deadly meningitis outbreak in Kent, with health workers across England urged to look out for signs of infection.

From BBC