What is the meaning of Alarm?

A summons to arms, as on the approach of an enemy.

Any sound or information intended to give notice of approaching danger; a warning sound to arouse attention; a warning of danger.

A sudden attack; disturbance.

Sudden surprise with fear or terror excited by apprehension of danger; in the military use, commonly, sudden apprehension of being attacked by surprise.

A mechanical device for awaking people, or rousing their attention.

An instance of an alarm ringing, beeping or clanging, to give a noise signal at a certain time.

To call to arms for defense.

To give (someone) notice of approaching danger, or necessary action; to rouse to vigilance; to put on the alert.

To surprise with apprehension of danger; to fill with anxiety in regard to threatening evil; to excite with sudden fear.

To keep in excitement; to disturb.

alarm

anxiety

alarm

alarm

alarm

alarm

an alarm

an alarm

alarm (device used to alarm people)

alarm (sound used to alarm people)

alarm (state of being alerted)

alarm (fear, apprehension)

alarm

an alarm (warning or emergency signal, and a device that emits such a signal)

alarm (state of alarm)

alarm

alarm clock

Source: wiktionary.org