Synonyms for alarm

Noun

1. alarm, dismay, consternation, fear, fearfulness, fright

usage: fear resulting from the awareness of danger

2. alarm, warning device, alarm system, device

usage: a device that signals the occurrence of some undesirable event

3. alarm, alert, warning signal, alarum, signal, signaling, sign

usage: an automatic signal (usually a sound) warning of danger

4. alarm clock, alarm, clock

usage: a clock that wakes sleeper at preset time

Verb

1. dismay, alarm, appal, appall, horrify, frighten, fright, scare, affright

usage: 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"

2. alarm, alert, warn

usage: 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"