incontestable

[in-kuh n-tes-tuh-buh l]

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for incontestability

incontestable

adjective
  1. 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 incontestability

incontestable

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper