alarm noun - definition in the Learner's Dictionary - Cambridge Dictionaries Online

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English definition of “alarm”

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alarm

noun
 
 
/əˈlɑːm/
WARNING [C] B1 a loud noise that warns you of danger: a fire alarm to set off an alarm Threats and warningsEmergency services in general
CLOCK [C] ( also alarm clock) B1 a clock that makes a noise to wake youWatches and clocks
WORRY [U] a sudden feeling of fear or worry that something bad might happen: There's no need for alarm - it is completely safe.Anxiety and worry - general wordsFear and phobiasFear and phobiasAnxiety and worry - general words
→  See also burglar alarm , false alarm , raise the alarm
(Definition of alarm noun from the Cambridge Learners Dictionary © Cambridge University Press)
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