· fear resulting from the awareness of danger

Synonym(s): dismay, consternation

Hypernym(s): fear, fearfulness, fright

· a device that signals the occurrence of some undesirable event

Synonym(s): warning_device, alarm_system

Hypernym(s): device

· an automatic signal (usually a sound) warning of danger

Synonym(s): alert, warning_signal, alarum

Hypernym(s): signal, signaling, sign

· a clock that wakes a sleeper at some preset time

Synonym(s): alarm_clock

Hypernym(s): clock

· fill with apprehension or alarm; cause to be unpleasantly surprised; "I was horrified at the thought of being late for my interview"; "The news of the executions horrified us"

Synonym(s): dismay, appal, appall, horrify

Hypernym(s): frighten, fright, scare, affright

· warn or arouse to a sense of danger or call to a state of preparedness; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"

Synonym(s): alert

Hypernym(s): warn