without pity; in a merciless manner; he was mercilessly trounced by his opponent in the House
[ Syn: mercilessly , mercilessly , unmercifully , unmercifully , remorselessly , remorselessly , mercilessly , mercilessly , unmercifully , unmercifully , remorselessly , remorselessly , mercilessly , mercilessly , unmercifully , unmercifully , remorselessly , remorselessly , mercilessly , mercilessly , unmercifully , unmercifully , remorselessly , remorselessly ]