irreconcilable

[ih-rek-uh n-sahy-luh-buh l, ih-rek-uh n-sahy-]
adjective
  1. incapable of being brought into harmony or adjustment; incompatible: irreconcilable differences.
  2. incapable of being made to acquiesce or compromise; implacably opposed: irreconcilable enemies.
noun
  1. a person or thing that is irreconcilable.
  2. a person who is opposed to agreement or compromise.

Origin of irreconcilable

First recorded in 1590–1600; ir-2 + reconcilable
Related formsir·rec·on·cil·a·bil·i·ty, ir·rec·on·cil·a·ble·ness, nounir·rec·on·cil·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of irreconcilability


British Dictionary definitions for irreconcilability

irreconcilable

adjective
  1. not able to be reconciled; uncompromisingly conflicting; incompatible
noun
  1. a person or thing that is implacably hostile or uncompromisingly opposed
  2. (usually plural) one of various principles, ideas, etc, that are incapable of being brought into agreement
Derived Formsirreconcilability or irreconcilableness, nounirreconcilably, 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 irreconcilability

irreconcilable

adj.

1590s, from French irréconcilable (16c.), from Medieval Latin *irreconcilabilis, from assimilated form of in- "not, opposite of" (see in- (1)) + reconcilabilis (see reconcile). Related: Irreconcilably. As a noun from 1748.

Online Etymology Dictionary, © 2010 Douglas Harper