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Meaning of unquestionable

un•ques•tion•a•ble

Pronunciation: (un-kwes'chu-nu-bul), [key]
— adj.
  1. not open to question; beyond doubt or dispute; indisputable; undeniable; certain: an unquestionable fact.
  2. above criticism; unexceptionable: a man of unquestionable principles.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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