the act of disproving.
proof to the contrary; refutation.

Origin of disproof

First recorded in 1525–35; dis-1 + proof
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for disproof

Historical Examples of disproof

  • That a few men pass from one class to another is no disproof of this.


    John Spargo

  • Yet he wrought these theories one after another to their own disproof.

  • No documentary proof can be given of its veracity; and there is no disproof.

    Sir Walter Ralegh

    William Stebbing

  • Is this one of the reasons why the believer is able to continue a believer in spite of all disproof?

  • What did occur to me was an argument, at least to my mind, in disproof of the efficacy of this precaution.

    Pepita Ximenez

    Juan Valera

British Dictionary definitions for disproof



facts that disprove something
the act of disproving
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

Word Origin and History for disproof

1530s; see dis- + proof.

Online Etymology Dictionary, © 2010 Douglas Harper