To argue about; debate. To question the truth or validity of; doubt: Her friends disputed her intentions. To strive to win (a prize, for example); contest for: Our team disputed the visitors' claim to the championship. To strive against; resist: disputed the actions of his competitors. To engage in discussion or argument; debate. See Synonyms at discuss. To quarrel angrily. A verbal controversy; a debate. An angry altercation; a quarrel. See Synonyms at argument.