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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not to be revoked or recalled; unable to be repealed or annulled; unalterable: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 irrevocably
Contemporary Examples
Historical Examples
  • Yet a vision of youth and beauty always made the Baroness unhappy, now that both blessings were irrevocably lost to her.

    An Ambitious Man Ella Wheeler Wilcox
  • They had cut themselves off from the world, deliberately, irrevocably.

  • Suspicion, no matter whence the source, has irrevocably tarnished the brightness of his idol.

    File No. 113 Emile Gaboriau
  • It seemed to her she should then be irrevocably bound to do the thing she had promised.

  • They were as irrevocably divided as though the seas of the entire world ran between them.

    The Hermit of Far End Margaret Pedler
British Dictionary definitions for irrevocably


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 irrevocably



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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