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Definition of alarm

alarm

/əˈlɑːrm/
a · larm

Adverb:alarmingly
•
Plural:alarms
•
Adjective:alarming
•
Past Simple:alarmed
•
Past Participle:alarmed
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Present Participle:alarming
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alarm Lexical Profile

alarm Game Scores & Validity

• noun

1

A warning sound or signal indicating a danger or an emergency.

Example

"When the fire alarm sounded, everyone evacuated the building in an orderly manner."


2

An electronic or mechanical device designed to give a warning or wake someone up.

Example

"I set my alarm for six o'clock in the morning so I wouldn't miss the early flight."


3

An anxious awareness of danger; sudden fear or distressing suspense.

Example

"The sudden drop in atmospheric pressure caused considerable alarm among the coastal villagers."

Synonyms
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Antonyms
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• verb

1

To cause someone to feel frightened, disturbed, or in danger.

Example

"The rapid spread of the novel virus began to alarm health officials worldwide."


2

To fit or equip a building, vehicle, or area with a security warning system.

Example

"The museum decided to alarm all the emergency exits to prevent further thefts."

Synonyms
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Antonyms
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• Rhymes for alarm

Word Origin & Etymology

From Middle English 'alarme', borrowed from Old French 'alarme', which traces back to the Italian phrase 'all'arme!', meaning 'to the arms!' or 'to weapons!', originally used as a military call to battle.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Alarm. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/alarm
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