unquestionable

adj 1: impossible to question; "unquestionable authority" [ant: {questionable}]

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"