mercy Antonyms

power spite steepness sternness strictness tactic truculence vengeance violence wickedness severity selfishness scratchweed reciprocation reprisal requital retaliation retribution revenge rigidity savageness savagery sinfulness abrasiveness muscovy tit for tat cold-heartedness hard-heartedness heart of stone sadism rematch zero tolerance aggressive behavior murderousness heartlessness ruthlessness counterstrike counterplay Barbary Coast unkindness death penalty bloodthirstiness viciousness callousness mercilessness severe penalty abhorrence contretemps counterstroke cruelness