From Longman Dictionary of Contemporary Englishirremediableir‧re‧me‧di‧a‧ble /ˌɪrɪˈmiːdiəbəl◂/ adjective formal BADso bad that it is impossible to make it better
Examples from the Corpus
irremediable• As a consequence of the above cases, it had often been implied that breach of any restrictive covenant would be irremediable.• Section 146 distinguishes between remediable and irremediable breaches of covenant.• For a diagnosis of brain stem death irremediable structural brain damage should be present.Origin irremediable (1500-1600) Latin irremediabilis, from remediare “to cure” 