1 adj If you describe something, especially something unpleasant, as remorseless, you mean that it goes on for a long time and cannot be stopped.
(=relentless)
...the remorseless pressure of recession and financial constraint.
♦
remorselessly adv
There have been record bankruptcies and remorselessly rising unemployment.
2 adj Someone who is remorseless is prepared to be cruel to other people and feels no pity for them.
...the capacity for quick, remorseless violence.
♦
remorselessly adv
They remorselessly beat up anyone they suspected of supporting the opposition.