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irrefragable

 - 3 dictionary results

ir⋅ref⋅ra⋅ga⋅ble

  [i-ref-ruh-guh-buhl]
Use irrefragable in a Sentence
–adjective
not to be disputed or contested.
Origin:
1525–35; < LL irrefragābilis, equiv. to L ir- ir- 2 + refragā(rī) to resist, oppose + -bilis -ble

Related forms:
ir⋅ref⋅ra⋅ga⋅bil⋅i⋅ty, ir⋅ref⋅ra⋅ga⋅ble⋅ness, noun
ir⋅ref⋅ra⋅ga⋅bly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To irrefragable
ir·ref·ra·ga·ble   (ĭ-rěf'rə-gə-bəl)   
adj.  Impossible to refute or controvert; indisputable: irrefragable evidence.

[Late Latin irrefrāgābilis : Latin in-, not; see in-1 + Latin refrāgārī, to oppose, resist; see bhreg- in Indo-European roots.]
ir·ref'ra·ga·bil'i·ty n., ir·ref'ra·ga·bly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

irrefragable 
"that cannot be refuted," 1533, from L.L. irrefragabilis, from L. in- "not" + refragari "to oppose, contest," from re- "back" + frag-, base of frangere "to break" (see fraction).
Online Etymology Dictionary, © 2001 Douglas Harper
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