Look out.

Meaning: This is a warning asking someone to be careful or watchful. It's like saying, Be careful, there may be danger ahead.

Choice of Words: Look is a verb that means to direct one's gaze or attention toward something. Out is a preposition that indicates a direction or location that is outside or away from something. When you put them together, "Look out" is a warning to be careful or watchful.

Alternative Expressions

Related Expressions

• Look left, look right, look left.
• Look out the window.
• Look out!
• Look here.
• Look at.
• Look at me.
• Look at that.
• You look happy.
• Look up.
• Look at this.