Irrevocability
IRREVOCABIL'ITY
IRREV'OCABLE, adjective [Latin irrevocabilis; in and revocabilis, revoco; re and voco, to call.] Not to be recalled or revoked; that cannot be reversed, repealed or annulled; as an irrevocable decree, sentence, edict or doom; irrevocable fate; an irrevocable promise.