Definitions

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

  • n. The waging of war against an enemy; armed conflict.
  • n. Military operations marked by a specific characteristic: guerrilla warfare; chemical warfare.
  • n. A state of disharmony or conflict; strife: constant spousal warfare in the household.
  • n. Acts undertaken to destroy or undermine the strength of another: political warfare.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The waging of war or armed conflict against an enemy
  • n. Military operations of some particular kind e.g. guerrilla warfare
  • v. To lead a military life; to carry on continual wars.

from the GNU version of the Collaborative International Dictionary of English

  • n. Military service; military life; contest carried on by enemies; hostilities; war.
  • n. Contest; struggle.
  • intransitive v. To lead a military life; to carry on continual wars.

from The Century Dictionary and Cyclopedia

  • To carry on warfare or engage in war; contend; struggle.
  • n. A warlike or military expedition; military operations; hostilities; war; armed contest.
  • n. Figuratively, any contest, struggle, or strife.

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

  • n. an active struggle between competing entities
  • n. the waging of armed conflict against an enemy

Etymologies

Middle English : warre, war; see war + fare, journey (from Old English faru, from faran, to journey; see fare).
(American Heritage® Dictionary of the English Language, Fourth Edition)
This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology. (Wiktionary)

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