alarm meaning and definition

ALARM noun

Definition of alarm (noun)

1. fear resulting from the awareness of danger
   • synonyms: consternation, dismay
2. a device that signals the occurrence of some undesirable event
   • synonyms: alarm system, warning device
3. an automatic signal (usually a sound) warning of danger
   • synonyms: alarum, alert, warning signal
4. a clock that wakes a sleeper at some preset time
   • synonyms: alarm clock

ALARM verb

Definition of alarm (verb)

1. 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"
   • synonyms: appal, appall, dismay, horrify
2. 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"
   • synonyms: alert