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unchallenged

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adjective un·chal·lenged \ˌən-ˈcha-lənjd\

Definition of unchallenged

  1. :  not questioned, disputed, or opposed :  not challenged an unchallenged assumption unchallenged authority … modes of thinking that have gone unchallenged since the time of Newton, Descartes, and even Aristotle. — James Bailey

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First Known Use of unchallenged

circa 1639

Learn More about unchallenged

  1. Nglish: Translation of unchallenged for Spanish speakers

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