merciful Antonyms

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