Repentless

But above that the brick wall was windowless except for the single tall crossbarred rectangle and he thought again of the Sunday nights which seemed now to belong to a time as dead as Nineveh when from suppertime until the jailer turned the lights out and yelled up the stairs for them to shut up, the dark limber hands would lie in the grimed interstices while the mellow untroubled repentless voices would shout down to the women in the aprons of cooks or nurses and the girls in their flash cheap clothes from the mail order houses or the other young men who had not been caught yet or had been caught and freed yesterday, gathered along the street.

Source: wiktionary

The fair and beautiful are garnered there, Cut down by the repentless Reaper's hand, — Gone!

Source: wiktionary

On the life beyond death descanting, he laid himself out on Hell, Till the stench of the damned grew noxious, when he proceeded to tell How the lives of the lost are augmented by souls of the faithless squad That die in their sin repentless, with faces set against God.

Source: wiktionary

A man, clean-shaven, sat with a repentless stare as a judge read off the charges of double murders.

Source: wiktionary