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Definition alert in British English

alert verb

[transitive] verb
/əˈlɜː(r)t/
1

to tell someone in authority about a danger or problem so that they can take action to deal with it

Example

Neighbours heard the car being broken into and alerted the police.

Synonyms and related words
2

to tell someone about something that may affect them

Example

We will be assisting in alerting people to the dangers of cold weather.

Synonyms and related words
Definition alert in British English