alarm


Concise Oxford English Dictionary © 2008 Oxford University Press:
alarm/əˈlɑːm/
noun
  • 1 anxious or frightened awareness of danger.

    ■ a warning of danger.

  • 2 a warning sound or device.
verb
  • 1 frighten or disturb.
  • 2 (be alarmed) be fitted or protected with an alarm.
– derivatives
alarming adjective,
alarmingly adverb.
– origin ME (as exclam. meaning ‘to arms!’): from OFr. alarme, from Ital. allarme, from all' arme!
'alarm' also found in these Oxford entries:

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