DictionaryalarmWarning signal
noun

alarm

A warning or reminder signal, or the device that produces it.

The smoke alarm sounds above the scorched pan.

A sounding smoke detector warns a young man about smoke rising from a scorched pan.
Etymology

Italian all’arme was a call to take up weapons. The urgent warning became a name for warning signals generally and then for devices that give warnings or reminders.

In context

Cadabam's Group0:00
fear is a natural emotion a response born out of past experiences it's our internal alarm system warning us of danger
Phobia 101: Exploring Types of Phobias & Effective Treatment Options

More examples

  • She set an alarm for six o'clock.
  • The door alarm woke the guard.
  • Several alarms sounded during the test.

Forms

alarm · alarms

Similar words

alert
A warning intended to draw attention.
reminder
Prompts memory without necessarily warning of danger.