unchallengeable

play
adjective un·chal·lenge·able \ˌən-ˈcha-lən-jə-bəl\

Definition of unchallengeable

  1. :  not able to be disputed, questioned, or challenged :  not challengeable <an unchallengeable position of power> <an unchallengeable right>

unchallengeably

play \ˌən-ˈcha-lən-jə-blē\ adverb <an unchallengeably dominant position>

1611

First Known Use of unchallengeable

1611


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