irretrievable
adjective /ˌɪrɪˈtriːvəbl/
/ˌɪrɪˈtriːvəbl/
(formal)- that you can never make right or get back
- an irretrievable situation
- the irretrievable breakdown of the marriage
- The money already paid is irretrievable.
- Some of the data is irretrievable.
Oxford Collocations DictionaryIrretrievable is used with these nouns:- breakdown