incontrovertible

[in-kon-truh-vur-tuh-buhl, in-kon-]
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Origin of incontrovertible

First recorded in 1640–50; in-3 + controvertible
Related formsin·con·tro·vert·i·bil·i·ty, in·con·tro·vert·i·ble·ness, nounin·con·tro·vert·i·bly, adverb

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


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British Dictionary definitions for incontrovertible

incontrovertible

adjective
  1. incapable of being contradicted or disputed; undeniable
Derived Formsincontrovertibility or incontrovertibleness, nounincontrovertibly, 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 incontrovertible
adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper