merciful Antonyms

merciless unsympathizing unkind unhuman truculent tigerish tameless stern spiteful slavering severe sanguineous ruthless unmerciful unsparing unsympathetic ruthlessly xenophobic unforgiving case-hardened sadistic heavy-handed racist bare-knuckle vindictive vindicatory vengeful roughshod revengeful retaliatory disciplinary cutthroat cruel butcherly brutal bowelless bloody-minded bloodied bloodthirsty bloodroot atrocious draconic fiendish fiendlike remorseless relentless punitive pitiless mercantile lupine