Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb alarm

2 senses of alarm

Sense 1
dismay, alarm, appal, appall, horrify -- (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")
       => frighten, fright, scare, affright -- (cause fear in; "The stranger who hangs around the building frightens me"; "Ghosts could never affright her")

Sense 2
alarm, alert -- (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")
       => warn -- (notify of danger, potential harm, or risk; "The director warned him that he might be fired"; "The doctor warned me about the dangers of smoking")

Antonyms of adj alarmed

1 sense of alarmed

Sense 1
alarmed -- (experiencing a sudden sense of danger)

INDIRECT (VIA afraid) -> unafraid, fearless -- (oblivious of dangers or perils or calmly resolute in facing them)

Similarity of adj alarmed

1 sense of alarmed

Sense 1
alarmed -- (experiencing a sudden sense of danger)
       => afraid (predicate) (vs. unafraid) -- (filled with fear or apprehension; "afraid even to turn his head"; "suddenly looked afraid"; "afraid for his life"; "afraid of snakes"; "afraid to ask questions")