irrevokable adj 1: incapable of being retracted or revoked; "firm and irrevocable is my doom"- Shakespeare [syn: {irrevocable}, {irrevokable}] [ant: {revocable}, {revokable}]
Irrevokable \Ir`re*vok"a*ble\, a. [Pref. ir- not + revoke.] Irrevocable. [R.] [1913 Webster]