|1.||[ noun ] fear resulting from the awareness of danger|
|Related terms:||fear dismay unalarming alarming|
|2.||[ noun ] a device that signals the occurrence of some undesirable event|
|Related terms:||device burglar_alarm fire_alarm horn siren automobile_horn|
|3.||[ verb ] fill with apprehension or alarm; cause to be unpleasantly surprised|
|Synonyms:||appal appall horrify dismay|
"I was horrified at the thought of being late for my interview" "The news of the executions horrified us"
|Related terms:||frighten shock horror|
|4.||[ verb ] 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"
|Related terms:||warn wake alert|
|5.||[ noun ] an automatic signal (usually a sound) warning of danger|
|Synonyms:||warning_signal alarum alert|
|Related terms:||signal horn red_flag burglar_alarm siren fire_alarm foghorn tocsin air_alert torpedo|
|6.||[ noun ] a clock that wakes sleeper at preset time|