- (v.t.) To call to arms for defense; to give notice to (any one) of approaching danger; to rouse to vigilance and action; to put on the alert.
- (v.t.) To keep in excitement; to disturb.
- (n.) A sudden attack; disturbance; broil.
- (n.) Any sound or information intended to give notice of approaching danger; a warning sound to arouse attention; a warning of danger.
- (n.) A mechanical contrivance for awaking persons from sleep or rousing their attention; an alarum.
- (v.t.) To surprise with apprehension of danger; to fill with anxiety in regard to threatening evil; to excite with sudden fear.
- (n.) Sudden surprise with fear or terror excited by apprehension of danger; in the military use, commonly, sudden apprehension of being attacked by surprise.
- (n.) A summons to arms, as on the approach of an enemy.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). alarm. Retrieved September 24, 2026, from http://smartdefine.org/alarm/definitions/1972062 |
| Chicago | Webster's. 2011. "alarm" http://smartdefine.org/alarm/definitions/1972062 (accessed September 24, 2026). |
| Harvard | Webster's 2011, alarm, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/alarm/definitions/1972062>. |
| MLA | Webster's. "alarm" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/alarm/definitions/1972062> |