warn

word

/ˈwɔɹn/
worn
/wˈɔːn/
wawn

Definition

To tell someone about possible danger, trouble, or a problem before it happens so they can be careful or prepare.

Usage & Nuances

Common patterns are 'warn someone about something' and 'warn someone not to do something'. It is stronger and more serious than just 'tell' or 'remind'. Often used for danger, bad consequences, or official notices.

Example Sentences

I warned him about the wet floor.

basic

The teacher warned us not to be late again.

basic

Signs warn drivers about the sharp turn ahead.

basic

Just to warn you, the movie has a pretty sad ending.

natural

They warned me that traffic would be terrible at this hour.

natural

I’m warning you now—don’t touch my phone.

natural