Noun alarm has 4 senses
  1. alarm, dismay, consternation - fear resulting from the awareness of danger
    --1 is a kind of fear, fearfulness, fright
    Derived forms: verb alarm1, verb alarm2
  2. alarm, warning device, alarm system - a device that signals the occurrence of some undesirable event
    --2 is a kind of device
    --2 has particulars:
     automobile horn, car horn, motor horn, horn, hooter; burglar alarm; fire alarm, smoke alarm; horn; siren
  3. alarm, alert, warning signal, alarum - an automatic signal (usually a sound) warning of danger
    --3 is a kind of signal, signaling, sign
    --3 has particulars:
     torpedo; air alert; burglar alarm; fire alarm; foghorn, fogsignal; horn; red flag; siren; tocsin, alarm bell
  4. alarm clock, alarm - a clock that wakes sleeper at preset time
    --4 is a kind of clock
,Verb alarm has 2 senses
  1. dismay, alarm, appal, appall, horrify - 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"
    --1 is one way to frighten, fright, scare, affright
    Derived forms: noun alarmist1, noun alarm1
    Sample sentence:
    The bad news will alarm him
  2. alarm, alert - 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"
    --2 is one way to warn
    Derived form: noun alarm1
    Sample sentences:
    Somebody ----s somebody
    Something ----s somebody
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