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Definition of 'alarm'

Noun

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

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: dismay appal appall 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


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