WordReference Random House Learner's Dictionary of American English © 2019
war1 /wɔr/USA pronunciation   n., v.,  warred, war•ring. 
  1. Militaryarmed conflict or fighting between nations or factions: [countable]Wars keep breaking out.[uncountable]a state of war.
  2. any conflict or struggle: [countable]a war against poverty.[uncountable]to wage war against poverty.
  3. Military the science or profession of armed fighting:[uncountable]a war college.

v. [no object]
  1. Militaryto make or carry on war:They warred among themselves.

WordReference Random House Unabridged Dictionary of American English © 2019
war1  (wôr),USA pronunciation  n., v.,  warred, war•ring, adj. 
  1. Militarya conflict carried on by force of arms, as between nations or between parties within a nation;
    warfare, as by land, sea, or air.
  2. Militarya state or period of armed hostility or active military operations:The two nations were at war with each other.
  3. Militarya contest carried on by force of arms, as in a series of battles or campaigns:the War of 1812.
  4. active hostility or contention;
    contest:a war of words.
  5. aggressive business conflict, as through severe price cutting in the same industry or any other means of undermining competitors:a fare war among airlines; a trade war between nations.
  6. Economicsa struggle:a war for men's minds; a war against poverty.
  7. Militaryarmed fighting, as a science, profession, activity, or art;
    methods or principles of waging armed conflict:War is the soldier's business.
  8. Games[Cards.]
    • a game for two or more persons, played with a 52-card pack evenly divided between the players, in which each player turns up one card at a time with the higher card taking the lower, and in which, when both turned up cards match, each player lays one card face down and turns up another, the player with the higher card of the second turn taking all the cards laid down.
    • an occasion in this game when both turned up cards match.
  9. Military[Archaic.]a battle.

  1. Militaryto make or carry on war;
    fight:to war with a neighboring nation.
  2. to carry on active hostility or contention:Throughout her life she warred with sin and corruption.
  3. to be in conflict or in a state of strong opposition:The temptation warred with his conscience.

  1. of, belonging to, used in, or due to war:war preparations; war hysteria.
  • Gmc; cognate with Old High German werra strife; (verb, verbal) Middle English, late Old English werrien (transitive) to make war upon, derivative of the noun, nominal; compare Old French guerrer, Old North French werreier; akin to war2
  • Old North French
  • (noun, nominal) Middle English, late Old English werre bef. 1150

war2  (wär),USA pronunciation adj., adv. [Scot. and North Eng.]
  1. Scottish Termsworse.
  • Old Norse verri worse
  • Middle English werre 1150–1200

  • warrant.

  • Collins Concise English Dictionary © HarperCollins Publishers::

    war /wɔː/ n
    1. open armed conflict between two or more parties, nations, or states
      Related adjective(s): belligerent, martial
    2. a particular armed conflict
    3. the techniques of armed conflict as a study, science, or profession
    4. any conflict or contest: a war of wits, the war against crime
    5. (modifier) of, relating to, resulting from, or characteristic of war: a war hero, war damage, a war story
    6. in the warsinformal (esp of a child) hurt or knocked about, esp as a result of quarrelling and fighting
    vb (wars, warring, warred)
    1. (intransitive) to conduct a war
    Etymology: 12th Century: from Old Northern French werre (variant of Old French guerre), of Germanic origin; related to Old High German werra

    War. abbreviation for
    1. Warwickshire

    'war' also found in these entries:
    Collocations: war with their [neighbors, enemies], a [long, short, brutal, bloody, needless] war, war [games, strategies, tanks], more...

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