unquestionable (adj.)

  1. incapable of being questioned; unquestionable authority'

  2. not counterfeit or copied; an authentic signature; a bona fide manuscript; an unquestionable antique; photographs taken in a veritable bull ring

    [ Syn: authentic , bona fide , veritable ]

  3. not open to question; an unquestionable (or unequivocal) loss of prestige'

The dictionary is based on the WordNet Electronic Lexical Database.
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