From Longman Dictionary of Contemporary Englishundisputedun‧dis‧put‧ed /ˌʌndɪˈspjuːtɪd◂/ adjective 1 CERTAINLY/DEFINITELYknown to be definitely true Doctors found undisputed evidence of nerve damage.2 ACCEPTaccepted by everyoneundisputed leader/champion/master etc the undisputed world heavyweight champion
Examples from the Corpus
undisputed• The Blue Boar was, however, the undisputed centre of village life.• And now Faldo is primed to show the rest of the world's top golfers that he is the undisputed champion.• There seemed to be no undisputed facts that would either back up the story or knock it down.• undisputed facts• This is one art at which she's undisputed family champion.• As a result he is no longer undisputed heavyweight champion of the world.• Sampras is back on top, the undisputed No. 1 player in the world.• Despite these shortcomings, Baltimore has achieved undisputed success in image management.undisputed leader/champion/master etc• And now Faldo is primed to show the rest of the world's top golfers that he is the undisputed champion. 