watch out
[verb]
Synonyms: beware, look out, mind

[TahlilGaran] English Synonym Dictionary ▲

watch out phrasal verb informal (see also watch)
used to tell someone to be careful:
You’ll become an alcoholic if you don’t watch out.

[TahlilGaran] Dictionary of Contemporary English ▲

watch out
be aware.
They say a storm is coming, so watch out and don't take any chances.

Usage notes: sometimes used as an order:
Andy saw the car coming toward them, and yelled, “Watch out!”

Related vocabulary: look out

[TahlilGaran] English Idioms Dictionary ▲

watch out
{v.}
1. To take care; be careful; be on guard. - Usually used as a command or warning.
"Look out!" John called, as the car came toward me.

"Look out for the train," the sign at the railroad crossing warns.

2. To be alert or watchful; keep watching.
A collector of antique cars asked Frank to look out for a 1906 gas head lamp.
Compare: EYE OUT, ON THE WATCH.
3. {informal} To watch or keep (a person or thing) and do what is needed; provide protection and care. - Used with "for".
Lillian looked out for her sister's children one afternoon a week.

Uncle Fred looked out for his brother's orphan son until the boy was through college.
Compare: LOOK AFTER.
See: LOOK OUT.

[TahlilGaran] English Idioms Dictionary ▲