Synonyms: alarm, alarm system, warning device
Definition: a device that signals the occurrence of some undesirable event
Similar words: device
Definition: an instrumentality invented for a particular purpose
Usage: the device is small enough to wear on your wrist; a device intended to conserve water
Synonyms: alarm, alarm clock
Definition: a clock that wakes a sleeper at some preset time
Similar words: clock
Definition: a timepiece that shows the time of day
Synonyms: alarm, alarum, alert, warning signal
Definition: an automatic signal (usually a sound) warning of danger
Similar words: sign, signal, signaling
Definition: any nonverbal action or gesture that encodes a message
Usage: signals from the boat suddenly stopped
Synonyms: consternation, dismay, alarm
Definition: fear resulting from the awareness of danger
Similar words: fright, fear, fearfulness
Definition: an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)
Definition: warn or arouse to a sense of danger or call to a state of preparedness
Usage: The empty house alarmed him; We alerted the new neighbors to the high rate of burglaries
Similar words: warn
Definition: notify of danger, potential harm, or risk
Usage: The director warned him that he might be fired; The doctor warned me about the dangers of smoking
Synonyms: dismay, horrify, appal, appall, alarm
Definition: fill with apprehension or alarm; cause to be unpleasantly surprised
Usage: I was horrified at the thought of being late for my interview; The news of the executions horrified us
Similar words: affright, fright, frighten, scare
Definition: cause fear in
Usage: The stranger who hangs around the building frightens me; Ghosts could never affright her