from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An accident, especially one involving serious injury or loss of life.
  • n. One injured or killed in an accident: a train wreck with many casualties.
  • n. One injured, killed, captured, or missing in action through engagement with an enemy. Often used in the plural: Battlefield casualties were high.
  • n. One that is harmed or eliminated as a result of an action or a circumstance: The corner grocery was a casualty of the expanding supermarkets.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Chance nature; randomness.
  • n. Something that happens by chance, especially an unfortunate event; an accident, a disaster.
  • n. A person suffering from injuries or who has been killed due to an accident or through an act of violence.
  • n. The accident and emergency department of a hospital

from the GNU version of the Collaborative International Dictionary of English

  • n. That which comes without design or without being foreseen; contingency.
  • n. Any injury of the body from accident; hence, death, or other misfortune, occasioned by an accident.
  • n. Numerical loss caused by death, wounds, discharge, or desertion.

from The Century Dictionary and Cyclopedia

  • n. Chance, or what happens by chance; accident; contingency.
  • n. An unfortunate chance or accident, especially one resulting in bodily injury or death; specifically, disability or loss of life in battle or military service from wounds, etc.: as, the casualties were very numerous.
  • n. In Scots law, an emolument due from a vassal to his superior, beyond the stated yearly duties, upon certain casual events.
  • n. plural In the military service, the losses in a command due to any cause whatsoever, as resignation, discharge, dismissal, desertion, capture, wounds, or death.

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

  • n. someone injured or killed in an accident
  • n. an accident that causes someone to die
  • n. someone injured or killed or captured or missing in a military engagement
  • n. a decrease of military personnel or equipment


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English casuelte, from Old French, from Medieval Latin cāsuālitās, chance, accident, from Latin cāsuālis, fortuitous; see casual.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin casuālitas (compare casuality).



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  • por casualidad in Spanish is "by chance."

    July 4, 2007