alert
🇺🇸
/əˈlɜːrt/
🇬🇧
/əˈlɜːt/
to warn someone about danger or something that needs quick action
The system will alert you if there is a fire in the building.
to make someone notice or aware of something
The app will alert users to new messages.
a state of watching carefully for danger and being ready to act
The weather alert warned people to stay indoors during the storm.
a warning about danger or a problem
The emergency alert told everyone to evacuate the area.
a signal from a device to inform or remind you of something
My phone gives an alert when I receive an email.
quick to notice things and think clearly
Drivers need to be alert to avoid accidents on the road.
aware of something, especially possible danger
Be alert for any signs of trouble in the neighborhood.