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look out

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look out (of) something

to gaze outward from inside something. (Of is usually retained before pronouns.) Look out of the window and see if it is raining. I looked out of the door to see what the weather was like.

See also: look, out

look out

to watch what is happening and be careful But when the ice suddenly breaks, look out.

Usage notes: often used as an instruction: Someone shouted, “Look out, he's got a gun!”

Related vocabulary: watch out

See also: look, out

look out

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.

See also: look, out

look out

v.

To be watchful or careful; take care: If you don't look out, you could fall on the ice. The campers looked out for each other on the hike.

See also: look, out