• synonyms


[ih-rev-uh-kuh-buh l]
See more synonyms for irrevocable on Thesaurus.com
  1. not to be revoked or recalled; unable to be repealed or annulled; unalterable: an irrevocable decree.
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Origin of irrevocable

First recorded in 1350–1400; Middle English word from Latin word irrevocābilis. See ir-2, revocable
Related formsir·rev·o·ca·bil·i·ty, ir·rev·o·ca·ble·ness, nounir·rev·o·ca·bly, adverbnon·ir·rev·o·ca·bil·i·ty, nounnon·ir·rev·o·ca·ble, adjectivenon·ir·rev·o·ca·ble·ness, nounnon·ir·rev·o·ca·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for irrevocability

certitude, decisiveness, completeness, resolution, entirety, finish, perfection, totality, integrity, wholeness, intactness, irrevocability

Examples from the Web for irrevocability

Historical Examples of irrevocability

  • 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.

  • All the pangs of penance were in that sense of irrevocability.

  • 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

British Dictionary definitions for irrevocability


  1. not able to be revoked, changed, or undone; unalterable
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Derived Formsirrevocability or irrevocableness, nounirrevocably, 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 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.

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Online Etymology Dictionary, © 2010 Douglas Harper