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English definition of “war”

war

noun     /wɔːr/
FIGHTING [C, U] A2 fighting, using soldiers and weapons, between two or more countries, or two or more groups inside a country: They've been at war for the past five years. He was only a child when the war broke out (= started). If this country goes to war (= starts to fight in a war), thousands of people will die.War
COMPETING [C, U] a situation in which two or more groups are trying to be more successful than each other: a price war between supermarketsCompeting and contending (non-sporting)Competing in sportBusiness and commerce - general words
TO STOP [no plural] an attempt to stop something bad or illegal: the war against crime/drugs → See also civil war, prisoner of war, world warPreventing and impedingLimiting and restricting
(Definition of war noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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