1.
incapable of being questioned
unquestionable authority
2.
not counterfeit or copied
an unquestionable antique
3.
not open to question
an unquestionable (or unequivocal) loss of prestige
The following are synonyms for 'unquestionable'. Click on any of them to get both Bibliodata's full list of common definitions and a further set of synonyms.
