irrevocable
adjective /ɪˈrevəkəbl/
/ɪˈrevəkəbl/
(formal)- that cannot be changed synonym final
- an irrevocable decision/step
Oxford Collocations DictionaryIrrevocable is used with these nouns:- decision
- step
- undertaking
- …
Word Originlate Middle English: from Old French, or from Latin irrevocabilis, from in- ‘not’ + revocabilis ‘able to be revoked’ (from the verb revocare).