\Re*morse"less\, a. Being without remorse; having no pity; hence, destitute of sensibility; cruel; insensible to distress; merciless. ``Remorseless adversaries.'' --South. ``With remorseless cruelty.'' --Milton. Syn: Unpitying; pitiless; relentless; unrelenting; implacable; merciless; unmerciful; savage; cruel. -- {Re*morse"less*ly}, adv. -- {Re*morse"less*ness}, n.