undisputed world champion
noun
boxing
a boxer who holds the World Boxing Association, the World Boxing Council, the World Boxing Organization, and the International Boxing Federation world championship titles simultaneously
Words nearby undisputed world champion
undisclosed,
undiscovered,
undisguised,
undisposed,
undisputed,
undisputed world champion,
undissociated,
undistinguished,
undistributed,
undistributed middle,
undisturbed