irrevocable

[ ih-rev-uh-kuh-buh l ]
/ ɪˈrɛv ə kə bəl /

adjective

not to be revoked or recalled; unable to be repealed or annulled; unalterable: an irrevocable decree.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

Examples from the Web for irrevocable

British Dictionary definitions for irrevocable

irrevocable

/ (ɪˈrɛvəkəbəl) /

adjective

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