Warn about Meaning in English
expression
Definition
To tell someone about a possible danger, problem, or something bad that could happen, so they can be careful or avoid it.
Usage & Nuances
'Warn about' is usually followed by what the warning is referring to (danger, risk, mistake, etc). Often used in formal, semi-formal, and written English. Don't confuse with 'warn against' (advise not to do something). Common phrases: 'warn about the risks', 'warn about possible delays'.
Example Sentences
She warned about the storm coming tonight.
basic
The doctor warned about eating too much sugar.
basic
The news warned about road closures tomorrow.
basic
My friends always warn me about scams online.
natural
Nobody warned us about the traffic, so we arrived late.
natural
If you see something strange, make sure to warn others about it.
natural