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Definition of "alarm" []

  • A sudden fear caused by the realization of danger. (noun)
  • A warning of existing or approaching danger. (noun)
  • An electrical, electronic, or mechanical device that serves to warn of danger by means of a sound or signal. (noun)
  • The sounding mechanism of an alarm clock. (noun)
  • A call to arms. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "alarm" in a sentence
  • "Surely adding to their alarm is the realization that the nuclear imbalance, troubling enough already, will only grow in the coming years."
  • "Most areas, only the Alarm security people arrive if the alarm is activated."
  • "As in a mirror Lady Russell's journal reflects what she calls the alarm in the Whig camp at the rumour of the intended resignation of the Derby"