Unable to be put right, compensated for, or cured.

(un-, prefix1 affix 1b.)

Of something faulty or defective: That cannot be improved or set right. Of disease: Incurable.

Not remediable; that does not admit of remedy, cure, or correction; incurable; irreparable.

That cannot or may not be reprieved; (also) from which no reprieve can be given.

= remediless, adj.