[ih-rev-uh-kuh-buh l]


not to be revoked or recalled; unable to be repealed or annulled; unalterable: an irrevocable decree.

Nearby words

  1. irretrievable,
  2. irreverence,
  3. irreverent,
  4. irreversible,
  5. irreversible pulpitis,
  6. irrigable,
  7. irrigate,
  8. irrigation,
  9. irrigative,
  10. irriguous

Origin of irrevocable

First recorded in 1350–1400; Middle English word from Latin word irrevocābilis. See ir-2, revocable

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for irrevocably

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