alarm (
http://definr.com/alarm)
n 1: fear resulting from the awareness of danger [syn:
dismay,
consternation]
2: a device that signals the occurrence of some undesirable
event [syn:
warning device,
alarm system]
3: an automatic signal (usually a sound) warning of danger
[syn:
alert,
warning signal,
alarum]
4: a clock that wakes sleeper at preset time [syn:
alarm clock]
v 1: fill with apprehension or alarm; cause to be unpleasantly
surprised; "I was horrified at the thought of being late
for my interview" [syn:
dismay,
appal,
appall,
horrify]
2: 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" [syn:
alert]