irremediable
2 occurrences across the corpus
OT Pseudepigrapha
Testament of Reuben 2:22
For constant meetings, even though the ungodly deed be not wrought, are to them an irremediable disease, and to us a destruction of Beliar and an eternal reproach.
The Letter of Aristeas 9:56
'In the misfortunes that befall our friends,' he replied, 'when we see that they are protracted and irremediable. Reason does not allow us to grieve for those who are dead and set free from evil, but all men do grieve over them because they think only of themselves and their own advantage. It is by the power of God alone that we can escape all evil!