Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alarm

4 senses of alarm

Sense 1
alarm, dismay, consternation -- (fear resulting from the awareness of danger)
       => fear, fearfulness, fright -- (an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight))

Sense 2
alarm, warning device, alarm system -- (a device that signals the occurrence of some undesirable event)
       => device -- (an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water")

Sense 3
alarm, alert, warning signal, alarum -- (an automatic signal (usually a sound) warning of danger)
       => signal, signaling, sign -- (any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped")

Sense 4
alarm clock, alarm -- (a clock that wakes a sleeper at some preset time)
       => clock -- (a timepiece that shows the time of day)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb alarm

2 senses of alarm

Sense 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")
       => frighten, fright, scare, affright -- (cause fear in; "The stranger who hangs around the building frightens me"; "Ghosts could never affright her")

Sense 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")
       => warn -- (notify of danger, potential harm, or risk; "The director warned him that he might be fired"; "The doctor warned me about the dangers of smoking")