[1] : The Collaborative International Dictionary of English v.0.48

unanswerable \unan"swerable\, a.
   not answerable; irrefutable; conclusive; decisive; as, he
   gave an unanswerable argument. -- unan"swerableness, n.
   -- unan"swerably, adv.
   1913 webster
see also:
unan"swerableness unan"swerably 

[2] : WordNet (r) 2.0

unanswerable
     adj : impossible to answer; "an unanswerable argument"

[3] : Moby Thesaurus II by Grady Ward, 1.0

42 moby thesaurus words for "unanswerable":
   absolute, actual, admitting no question, chartered, confirmable,
   demonstrable, demonstratable, excepted, excused, exempt, exempted,
   factual, favored, historical, immune, inappealable, incontestable,
   incontrovertible, indisputable, indubitable, irrefragable,
   irrefutable, irresponsible, let off, licensed, permitted,
   privileged, provable, real, released, self-evident, spared,
   testable, unaccountable, unconfutable, undeniable, unimpeachable,
   unliable, unquestionable, unrefutable, unsubject, verifiable

Unanswerable >> U Words
Unanswerable, definition of term: Unanswerable
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