ישעיהו נג:ט פירוש: רש״י ואבן עזרא

And he gave his grave to the wicked He subjected himself to be buried according to anything the wicked of the heathens (nations [mss., K’li Paz]) would decree upon him, for they would penalize him with death and the burial of donkeys in the intestines of the dogs.

Some refer this verse to those Israelites that die in exile; others derive במתיו from במה high place; comp. במתימו their high places (Deut. 33:29), and refer it to the building erected over the grave; so that קברו═במתיו his tomb.

to the wicked According to the will of the wicked, he was willing to be buried, and he would not deny the living God.