— mercilessly , adv. — mercilessness , n.
/merr"si lis/ , adj.
without mercy; having or showing no mercy; pitiless; cruel: a merciless critic.
[ 1300-50; ME mercyles. See MERCY, -LESS ]
Syn . hard, relentless, unrelenting, fell, unsympathetic, inexorable.
Ant . compassionate.