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Meaning of “alarm” in the English Dictionary

"alarm" in British English

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alarmnoun

uk   /əˈlɑːm/  us   /əˈlɑːrm/
  • alarm noun (WARNING)

[C] a ​warning of ​danger, usually a ​loudnoise or ​flashinglight: If there's any ​trouble, raise/​sound the alarm by ​pulling the ​emergencycord. The first two ​bombalerts were false alarms, but the third was for ​real.
B1 [C] a ​device that makes a ​loudnoise to ​warn of ​danger: a ​burglar/​car/​fire/​smoke alarm
B1 [C] If an ​electronicdevice such as a ​watch or ​computer has an alarm, it can be set to make a ​noise at a ​particulartime.

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  • alarm noun (WORRY)

C2 [U] suddenworry and ​fear, ​especially that something ​dangerous or ​unpleasant might ​happen: I didn't ​tell her that he was late because I didn't ​want to cause her any alarm. Villagers have ​reacted with alarm to ​news of a ​proposed new ​road.

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alarmverb [T]

uk   /əˈlɑːm/  us   /əˈlɑːrm/
(Definition of alarm from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"alarm" in American English

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alarmnoun

 us   /əˈlɑrm/
  • alarm noun (ANXIETY)

[U] suddenanxiety and ​fear, esp. that something very ​bad or ​dangerous might ​happen: Nicholas ​detected a ​note of alarm in her ​voice.
  • alarm noun (WARNING)

[C] a ​warningsignal such as a ​loudnoise or ​flashinglight that gets ​yourimmediateattention, or a ​device that ​produces such a ​signal: Firefighters said the ​tragedy could have been ​avoided if the ​house had had ​smoke alarms.

alarmverb [T]

 us   /əˈlɑrm/
to ​feel or ​causesuddenanxiety and ​fear: Guests were sometimes alarmed to ​learn that we never ​locked the ​doors of the ​house.
alarming
adjective  us   /əˈlɑr·mɪŋ/
Stock ​pricesbegan to ​rise at an alarming ​rate.
(Definition of alarm from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“alarm” in British English

“alarm” in American English

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