The definition of irrevocable is something that cannot be undone or changed.
An example of irrevocable is a contract that, once signed, cannot be cancelled.
that cannot be revoked, recalled, or undone; unalterable
Origin of irrevocableMiddle English from Middle French irrévocable from Classical Latin irrevocabilis
Impossible to retract or revoke: an irrevocable decision.
- ir·rev′o·ca·bil′i·ty ir·rev′o·ca·ble·ness
- Unable to be retracted or reversed. Final.
- The king's decision was irrevocable.
OriginSee also: irrévocable
From Old French, from Latin irrevocabilis