What is the meaning of war?

noun

• The waging of armed conflict against an enemy.
  • usage: "thousands of people were killed in the war"
  • synonyms: warfare
• A legal state created by a declaration of war and ended by official declaration during which the international rules of war apply.
  • usage: "war was declared in November but actual fighting did not begin until the following spring"
  • synonyms: state of war
• An active struggle between competing entities.
  • usage: "a price war"; "a war of wits"; "diplomatic warfare"
  • synonyms: warfare
• A concerted campaign to end something that is injurious.
  • usage: "the war on poverty"; "the war against crime"

verb

• Make or wage war. .