Synonyms for alarm

noun

1. Anything that gives a warning

   bell, siren, horn, signal, tocsin, buzzer, beeper, call, alarm clock, burglar alarm, fire alarm, fire bell, foghorn, gong, whistle, drum, trumpet, distress signal, SOS, Mayday, red light, hoot, blast, shout, alarm bell, call to arms, summons to arms, warning sound, sound of trumpet, beat of drum, war cry, hue and cry, danger signal, signal of distress, cry, squeal, yell, scream, air raid siren, panic button*, escape button*, chicken switch*.

2. Apprehension of danger

   fear, dread, fright, trepidation; see fear 1, 2.

3. A warning

   alert, notification, caution; see warning. See syn. study atfear.

verb