10 1 [transitive] to say that you think something such as a fact or idea is not correct or true 2 [intransitive, transitive] to argue or disagree with someone 3 [transitive] to argue with another country, group etc about who owns a piece of land 1 SERIOUS DISAGREEMENT a situation in which two countries or groups of people quarrel or disagree with each other 2 be beyond dispute if something is beyo