adjadj.allincapable of being questionedAntonyms:questionable
Derivationally Related Form:unquestionablenessunquestionability
Inherited Hypernyms:unquestionable
Similar to:acknowledged beyond doubt indubitable for sure mathematical unimpeachable
See also:incontestable incontestible undeniable
adj satadj.allnot counterfeit or copiedSynset:authentic bona fide veritable
Examples:- an authentic signature
- a bona fide manuscript
- an unquestionable antique
- photographs taken in a veritable bull ring
Antonyms:counterfeit
Derivationally Related Form:unquestionablenessauthenticity
Inherited Hypernyms:authentic
Similar to:echt genuine
adj satadj.allnot open to questionExamples:- an unquestionable (or unequivocal) loss of prestige
Antonyms:equivocal
Derivationally Related Form:unquestionableness
Inherited Hypernyms:unquestionable
Similar to:unambiguous unequivocal univocal