irrevocable
ir·re·vo·cable
adjective
1.
impossible to retract or revoke
- “firm and irrevocable is my doom” Shakespeare
Origin
From Middle French irrévocable, from Latin irrevocabilis; equivalent to ir- + revoke + -able.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.