from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A person who kills several or numerous victims in a single incident.
  • noun A serial killer.
  • noun A person, especially a political or military leader, who is responsible for the deaths of many individuals.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Someone who commits a mass murder.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a person who is responsible for the deaths of many victims in a single incident


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