alert

Formsalerts, alerting, alerted

Pluralalerts

1. 1
   adjective

   Watching carefully and ready to act if something happens.

   Like a cat watching a mouse, ready to move at any second.

   The guard stayed alert all through the night.

   A careful driver stays alert for sudden dangers on the road.

   Similarwakeful

   Oppositeinattentive, drowsy, sleepy

   Note
2. 2
   verbtransitive

   To warn someone about a danger or a problem.

   Like ringing a bell so people know something is coming.

   Please alert a teacher if someone gets hurt.

   The alarm will alert everyone in the building.

   Similarwarn, notify, inform

   Note
3. 3
   nouncountable

   A warning sound or message that tells people about danger.

   Like a fire bell that rings to warn everyone.

   The town sent out a flood alert before the river rose.

   A loud alert woke everyone in the house.

   Similarwarning, alarm, signal

4. 4
   nouncountable

   A message that warns about something more serious than a normal notice.

   Like a louder bell that means something more serious is happening.

   The app sent an alert about a delayed flight.

   Parents got an alert when the school closed early.

   Similarwarning, notification

5. 5
   nouncountable or uncountable

   A state of being ready in case fighting starts.

   Like keeping your bags packed so you can leave fast at any moment.

   The soldiers were put on alert when tensions rose.

   The base stayed on high alert through the night.

   Note
6. 6
   nouncountable

   A special character that makes a computer beep.

   Like a small bell hidden inside the computer that rings when called.

   The program sent an alert to make the computer beep.

   Typing that code prints an alert and the speaker chirps.

   Note

Showing meanings only. Show all 7