Antonyms for

Antonyms of adj questionable

2 senses of questionable

Sense 1:
questionable (vs. unquestionable)

unquestionable (vs. questionable)
acknowledgedbeyond doubt(predicate), indubitablefor suremathematicalunimpeachable
Sense 2:
questionable, refutable, confutable, confutative

INDIRECT (VIA deniable) -> undeniable © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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