The Collaborative International Dictionary
Repentless \Re*pent"less\, a. Unrepentant. [R.]
Wiktionary
a. (context archaic English) unrepentant
Wikipedia
Repentless is the twelfth studio album by American thrash metal band Slayer. It was released on September 11, 2015, and is the first Slayer album to feature guitarist Gary Holt of Exodus and the first to feature drummer Paul Bostaph since 2001's God Hates Us All. Repentless is also Slayer's first album following the death of founding member Jeff Hanneman in 2013, and the band's first album to be released on Nuclear Blast.
Five singles were released from the album, "Implode", "When the Stillness Comes", "Repentless", "Cast The First Stone" and "You Against You". The album debuted at number four on the Billboard 200, the highest charting debut from the band in their native country. It also topped the chart in Germany and featured in the top ten of almost twenty charts around the world. It received mixed to positive reviews from critics.
Usage examples of "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.