A device that makes a loud sound to wake someone up or warn them of danger.

“I set my alarm for 6:00 AM so I wouldn't be late for work.”

A sudden feeling of fear or worry that something bad might happen.

“The sudden loud bang caused a lot of alarm among the passengers.”

To make someone feel sudden fear, anxiety, or worry.

“I don't want to alarm you, but I think I smell smoke coming from the kitchen.”