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[ih-rev-uh-kuh-buh l] /ɪˈrɛv ə kə bəl/
not to be revoked or recalled; unable to be repealed or annulled; unalterable:
an irrevocable decree.
Origin of irrevocable
1350-1400; Middle English < Latin irrevocābilis. See ir-2, revocable
Related forms
irrevocability, irrevocableness, noun
irrevocably, adverb
nonirrevocability, noun
nonirrevocable, adjective
nonirrevocableness, noun
nonirrevocably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for irrevocability
Historical Examples
  • The irrevocability of the marriage-contract is woman's greatest security.

    Feminism and Sex-Extinction Arabella Kenealy
  • I—I mean that it reduces the—er—paralysing sense of irrevocability.

  • But when she had the permit and her cabin was booked, the irrevocability of her step came to her with full force.

    Saint's Progress John Galsworthy
  • All the pangs of penance were in that sense of irrevocability.

  • Mr. Pickwick gave a heavy blow on the table before him, in confirmation of the irrevocability of his intention.

  • He resolved to accept it, and by way of irrevocability at once burnt his ships behind him—in devouring part of his dinner.

  • The sound of the latch clicking into its place brought home to her the irrevocability of the step she had taken.

    The Lamp of Fate Margaret Pedler
  • Again into the consideration intruded the absolute finality, the irrevocability of her choice.

    Where the Trail Divides Will Lillibridge
  • The question leaped from her, and Garth's answer came with an irrevocability of refusal there was no combating.

    The Hermit of Far End Margaret Pedler
  • They did not say much for a long time, for each seemed to feel the irrevocability of the thing that had befallen them.

    The Brute Frederic Arnold Kummer
British Dictionary definitions for irrevocability


not able to be revoked, changed, or undone; unalterable
Derived Forms
irrevocability, irrevocableness, noun
irrevocably, 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 irrevocability



also irrevokable, late 14c., from Latin irrevocabilis "that cannot be recalled, unalterable," from assimilated form of in- "not, opposite of" (see in- (1)) + revocabilis (see revoke). Related: Irrevocably.

Online Etymology Dictionary, © 2010 Douglas Harper
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