[in-kuh n-tes-tuh-buh l]


incapable of being contested; not open to dispute; incontrovertible: incontestable proof.

Origin of incontestable

First recorded in 1665–75; in-3 + contestable
Related formsin·con·test·a·bil·i·ty, in·con·test·a·ble·ness, nounin·con·test·a·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for incontestably

Contemporary Examples of incontestably

Historical Examples of incontestably

  • The lamb of pasture-fed animals must be incontestably superior.

    In the Heart of Vosges

    Matilda Betham-Edwards

  • Being an Englishman, he was incontestably right in doing so.

    My Double Life

    Sarah Bernhardt

  • These four beings were at this moment, each and all of them, incontestably happy.

    The King's Mirror

    Anthony Hope

  • The chief illustration of a book is incontestably the formula in which it is summed up.

    The Bird

    Jules Michelet

  • This stream is incontestably the flumen of the Commentaries.

    History of Julius Caesar Vol. 2 of 2

    Napoleon III, Emperor of the French, 1808-1873.

British Dictionary definitions for incontestably



incapable of being contested or disputed
Derived Formsincontestability or incontestableness, nounincontestably, 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

Word Origin and History for incontestably



1670s, from French incontestable, from in- "not" (see in- (1)) + contestable (see contest (v.)). Related: Incontestably.

Online Etymology Dictionary, © 2010 Douglas Harper