n. 1 warning, alert, danger- or distress-signal; tocsin, bell, gong, siren, whistle, horn At the approach of the storm, the lookouts gave the alarm The alarm is set to wake me at four o'clock. 2 fear, fright, apprehension, dismay, trepidation, terror, dread, anxiety, excitement, panic, consternation, distress, nervousness, uneasiness, discomfort He viewed with alarm the arrest of his next-door neighbours
v. 3 frighten, scare, daunt, startle, terrify, panic; unnerve, dismay, disturb, upset She was alarmed at the news of the car crash Don't be alarmed - such delays are quite normal.