un ‧ dis ‧ put ‧ ed /ˌʌndɪˈspjuːtəd◂, ˌʌndɪˈspjuːtɪd◂/ BrE AmE adjective
1 . known to be definitely true:
Doctors found undisputed evidence of nerve damage.
2 . accepted by everyone
undisputed leader/champion/master etc
the undisputed world heavyweight champion