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Supposedly vs. Supposably


[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
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. 2015.
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Examples from the Web for incontrovertibly
Contemporary Examples
Historical Examples
  • incontrovertibly,” said Hamilton, kindly laying his hand heavily on Louis' shoulder.

    Louis' School Days E. J. May
  • As she said it she knew, incontrovertibly, that she could never do anything but protect people.

    Captivity M. Leonora Eyles
  • It was incontrovertibly the fiercest trial to which he could have been subjected.

    General Gatacre Beatrix Gatacre
  • Then it was proved "incontrovertibly, absolutely and divinely," by repairing Mrs. Eddy's back after a fall on ice.

  • But she knew, incontrovertibly, that she could never love Louis again with any degree of happiness or self-satisfaction.

    Captivity M. Leonora Eyles
  • The facts upon which the resolution is founded, are proved to be incontrovertibly true, by the record which had just been read.

  • And in Kirkwood's case the woman had put him in the wrong when all the right was so incontrovertibly on his side.

    Otherwise Phyllis Meredith Nicholson
  • The laws of Zoroaster, with which he is unacquainted, incontrovertibly prove that this vice was never recommended to the Persians.

    A Philosophical Dictionary, Volume 7 (of 10) Franois-Marie Arouet (AKA Voltaire)
  • These facts have been incontrovertibly proved by an examination of the crops of the birds at all seasons.

    Dog Breaking William Nelson Hutchinson
British Dictionary definitions for incontrovertibly


/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 incontrovertibly



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

Online Etymology Dictionary, © 2010 Douglas Harper
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