alarm

• fear resulting from the awareness of danger
• a device that signals the occurrence of some undesirable event
• an automatic signal (usually a sound) warning of danger
• a clock that wakes a sleeper at some preset time
• fill with apprehension or alarm
• warn or arouse to a sense of danger or call to a state of preparedness
• A summons to arms, as on the approach of an enemy
• Any sound or information intended to give notice of approaching danger
• A sudden attack
• Sudden surprise with fear or terror excited by apprehension of danger
• A mechanical contrivance for awaking persons from sleep, or rousing their attention
• To call to arms for defense
• To keep in excitement
• To surprise with apprehension of danger

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