remorseless

But tonight, Obama needs to be remorseless about not throwing out any bureaucratic bones.

"Exactly," said Dr. Brighton-Pomfrey in a tone that defined his own position with remorseless clearness.

But this, like Landa's, was strangled almost at its birth by remorseless scholars.

Each was thinking of friends in the settlement who had probably been slain by the remorseless savages.

Some one has said that it is painful to read so minute and remorseless an exposure of one variety of human folly.

And when he spoke there was a remorseless cruelty and selfishness in his low, even tones.