[ih-rev-uh-kuh-buh l]


not to be revoked or recalled; unable to be repealed or annulled; unalterable: an irrevocable decree.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 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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for irrevocably

Contemporary Examples of irrevocably

Historical Examples of irrevocably

  • 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 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 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