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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not to be revoked or recalled; unable to be repealed or annulled; unalterable: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
First recorded in 1350-1400; Middle English word from Latin word 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. 2018.
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Examples from the Web for irrevocably
Contemporary Examples
Historical Examples
  • He feared now she meant to lose it irrevocably through remarriage.

    The Spenders Harry Leon Wilson
  • They had cut themselves off from the world, deliberately, irrevocably.

  • It seemed to her she should then be irrevocably bound to do the thing she had promised.

  • I mean that it was irrevocably feminine, even in father's time.

    Howards End E. M. Forster
  • Now that it was made, and irrevocably made, she must of course be told.

    The Portygee Joseph Crosby Lincoln
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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