Main entry: unquestionable
Definition: incapable of being questioned
Usage: unquestionable authority
Antonyms: questionable
Definition: subject to question
Antonyms: unacknowledged
Definition: not recognized or admitted
Main entry: unquestionable
Definition: not open to question
Usage: an unquestionable (or unequivocal) loss of prestige
Antonyms: ambiguous
Definition: having more than one possible meaning
Antonyms: equivocal, ambiguous
Definition: open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead
Main entry: bona fide, authentic, unquestionable, veritable
Definition: not counterfeit or copied
Usage: an authentic signature; a bona fide manuscript; an unquestionable antique; photographs taken in a veritable bull ring
Antonyms: imitative, counterfeit
Definition: not genuine; imitating something superior