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Police are warning all women in the area to take extra care when going out alone.
Recent studies warn against drinking too much caffeine.
Travel agents are not warning tourists about the dangers of crime in ski resorts.
Scientists warned of the threat to beaches and rivers from pollution.
The report warns that consumers could end up paying higher prices.
the most usual and general way of warning someone
a formal way of warning people, often used on written signs
a way of warning someone that is often used before someone leaves to go somewhere
a way of warning someone that there is something dangerous nearby
a way of warning someone when they are in immediate danger
used for telling someone to do something carefully and gently, especially when they are moving something large or heavy
a way of warning someone to be careful and not to take risks
This is the American English definition of warn. View British English definition of warn.
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