alarm

Noun
  1. Fear resulting from the awareness of danger (synset 107535012)
    tells us about:
    • alarming - frightening because of an awareness of danger
    • unalarming - not alarming; assuaging alarm
    is a type of: fear, fearfulness, fright - an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)
    same as: consternation, dismay
  2. A device that signals the occurrence of some undesirable event (synset 102697285)
    is a type of: device - an instrumentality invented for a particular purpose
    subtypes:
    same as: alarm system, warning device
  3. An automatic signal (usually a sound) warning of danger (synset 106816015)
    is a type of: sign, signal, signaling - any nonverbal action or gesture that encodes a message
    subtypes:
    • torpedo - a small explosive device that is placed on a railroad track and fires when a train runs over it; the sound of the explosion warns the engineer of danger ahead
    • air alert - the warning signal that begins a period of preparation for an enemy air attack
    • burglar alarm - a loud warning signal produced by a burglar alarm
    • fire alarm - a shout or bell to warn that fire has broken out
    • foghorn, fogsignal - a loud low warning signal that can be heard by fogbound ships
    • horn - a noise made by the driver of an automobile to give warning
    • red flag - a flag that serves as a warning signal
    • siren - a warning signal that is a loud wailing sound
    • alarm bell, tocsin - the sound of an alarm (usually a bell)
    same as: alarum, alert, warning signal
  4. A clock that wakes a sleeper at some preset time (synset 102697521)
    is a type of: clock - a timepiece that shows the time of day
    same as: alarm clock
Verb
  1. Fill with apprehension or alarm;
    Cause to be unpleasantly surprised (synset 201786469)
    "I was horrified at the thought of being late for my interview"; "The news of the executions horrified us"
    is a type of: affright, fright, frighten, scare - cause fear in
    subtypes: shock - strike with horror or terror
    same as: appal, appall, dismay, horrify
  2. Warn or arouse to a sense of danger or call to a state of preparedness (synset 200874096)
    "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"
    is a type of: warn - notify of danger, potential harm, or risk
    subtypes: wake - make aware of
    same as: alert

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