Wiktionary
unsalvageable
a. That cannot be salvaged; not salvageable
Usage examples of "unsalvageable".
Le Roy was an unsalvageable shambles by now, and the Robinson fantasia that Farrell tried next came out equally as muddy.
I tell the world, I tell alternity: I remember Budge, the lonely orphan boy, condemned as economically unsalvageable.