uzbuniti

1. (+ acc.) to alarm; to upset
   Ta vest je uzbunila celu javnost. — That news alarmed the whole public.
   Nemoj da uzbuniš mamu bez razloga. — Don't worry Mom for no reason.
2. (+ acc.) to raise the alarm; to rouse
   Pas je lajanjem uzbunio celu kuću. — The dog's barking roused the whole house.
3. (uzbuniti se) to get alarmed; to get worked up
   Komšije su se uzbunile kad su videle dim. — The neighbors got alarmed when they saw the smoke.

The imperfective is uzbunjivati.