Watch out
verb phrase
To be careful or pay attention.
Watch out! There's a car coming.

Often appears as...
- watch out for
- watch out ahead
Usage tips
Colloquial
verb phrase
To keep a careful look at someone or something because they may do something wrong.
You should watch out for pickpockets in the crowded market.

Often appears as...
- watch out for someone
- watch out for something
verb phrase
To be careful or pay attention.
Watch out! There's a car coming.

Often appears as...
- watch out for
- watch out ahead
Usage tips
Colloquial
verb phrase
To keep a careful look at someone or something because they may do something wrong.
You should watch out for pickpockets in the crowded market.

Often appears as...
- watch out for someone
- watch out for something
Definition 1 of 2

Urgent Warning
Use 'watch out' to quickly alert someone to immediate danger or a hazard.

Watch out! That ladder is falling!
Colloquial Use
'Watch out' is typically used in casual or informal speech rather than formal situations.

Hey, watch out! You almost spilled your coffee.
Exclamation
'Watch out' often stands alone as an exclamation, especially in urgent situations.

Watch out!
Urgent Warning
Use 'watch out' to quickly alert someone to immediate danger or a hazard.

Watch out! That ladder is falling!
Colloquial Use
'Watch out' is typically used in casual or informal speech rather than formal situations.

Hey, watch out! You almost spilled your coffee.
Exclamation
'Watch out' often stands alone as an exclamation, especially in urgent situations.

Watch out!
Urgent Warning
Use 'watch out' to quickly alert someone to immediate danger or a hazard.

Watch out! That ladder is falling!
Colloquial Use
'Watch out' is typically used in casual or informal speech rather than formal situations.

Hey, watch out! You almost spilled your coffee.
Exclamation
'Watch out' often stands alone as an exclamation, especially in urgent situations.

Watch out!
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