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[in-kon-truh-vur-tuh-buh l, in-kon-] /ˌɪn kɒn trəˈvɜr tə bəl, ɪnˌkɒn-/
not controvertible; not open to question or dispute; indisputable:
absolute and incontrovertible truth.
Origin of incontrovertible
First recorded in 1640-50; in-3 + controvertible
Related forms
incontrovertibility, incontrovertibleness, noun
incontrovertibly, adverb
incontestable, undeniable, unquestionable. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for incontrovertible
Contemporary Examples
Historical Examples
  • Carpenter's indictment of civilization seems to me incontrovertible.

  • If the Gulf States go, still it is their right, immemorial, incontrovertible!

    The Long Roll Mary Johnston
  • And has an incontrovertible opinion been formed as to the paternity of this tract?

  • The facts speak for themselves, and facts are incontrovertible.

    The Winning Clue

    James Hay, Jr.
  • We think we have shown this fact by incontrovertible evidence.

    Guano Solon Robinson
  • The texts of the Salic law give us incontrovertible evidence.

    The Common Law Oliver Wendell Holmes, Jr.
British Dictionary definitions for incontrovertible


/ˌɪnkɒntrəˈvɜːtəbəl; ɪnˌkɒn-/
incapable of being contradicted or disputed; undeniable
Derived Forms
incontrovertibility, incontrovertibleness, noun
incontrovertibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for incontrovertible

1640s, from in- (1) "not" + controvertible (see controvert). Related: Incontrovertibly.

Online Etymology Dictionary, © 2010 Douglas Harper
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