Antonyms for unquestionable

Antonyms of adj unquestionable

3 senses of unquestionable

Sense 1:

unquestionable (vs. questionable)

questionable (vs. unquestionable)
alleged(prenominal), so-called, supposedapocryphaldebatable, problematic, problematicaldoubtful, dubious, dubitable, in question(predicate)equivocalfishy, funny, shady, suspect, suspiciousimpugnableself-styled, soi-disant

Sense 2:

authentic, bona fide, unquestionable, veritable

INDIRECT (VIA genuine) -> counterfeit, imitative

Sense 3:

unquestionable

INDIRECT (VIA unequivocal) -> equivocal, ambiguous