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[ih-rek-uh n-sahy-luh-buh l, ih-rek-uh n-sahy-] /ɪˈrɛk ənˌsaɪ lə bəl, ɪˌrɛk ənˈsaɪ-/
incapable of being brought into harmony or adjustment; incompatible:
irreconcilable differences.
incapable of being made to acquiesce or compromise; implacably opposed:
irreconcilable enemies.
a person or thing that is irreconcilable.
a person who is opposed to agreement or compromise.
Origin of irreconcilable
First recorded in 1590-1600; ir-2 + reconcilable
Related forms
irreconcilability, irreconcilableness, noun
irreconcilably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for irreconcilable
Contemporary Examples
Historical Examples
  • This was all to our advantage, as it removed from the coming indaba the most irreconcilable of the chiefs.

    Prester John John Buchan
  • The governors and leaders imagined an irreconcilable antagonism.

  • In it their irreconcilable foe burnt his pinions, and fell to the ground.

    Teutonic Mythology, Vol. 1 of 3 Viktor Rydberg, Ph.D.
  • The two men were facing each other in irreconcilable yet confused antagonism.

  • He lived to find the freer faith for which process and purpose are not irreconcilable, but necessary to one another.

  • There necessarily exists a permanent and irreconcilable conflict of interest.

    Freeland Theodor Hertzka
  • That able general went instantly against Alexandria with an army, in which were many Copts, irreconcilable enemies of the Greeks.

British Dictionary definitions for irreconcilable


/ɪˈrɛkənˌsaɪləbəl; ɪˌrɛkənˈsaɪ-/
not able to be reconciled; uncompromisingly conflicting; incompatible
a person or thing that is implacably hostile or uncompromisingly opposed
(usually pl) one of various principles, ideas, etc, that are incapable of being brought into agreement
Derived Forms
irreconcilability, irreconcilableness, noun
irreconcilably, 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
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Word Origin and History for irreconcilable

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
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