alarm
- sense 1: 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"
- dismay alarm appal appall horrify
- frighten fright scare affright
- stimulate shake shake_up excite stir
- arouse elicit enkindle kindle evoke fire raise provoke
- sense 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"
- alarm alert
- warn
- inform
- communicate intercommunicate