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warfare

/ˈwɔɹfɛɹ/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about warfare at Wordnik → Where our words come from →

  1. The waging of armed conflict against an enemy.
    thousands of people were killed in the war
  2. An active struggle between competing entities.
    a price war

Origin

From war + fare; perhaps a shortening of Middle English werre-faringe, werfarynge (“waging war, warfare”, literally “going to war”).

From Wiktionary, via Kaikki.org (CC BY-SA)