brutality, barbarity, sadism, savageness, unkindness, inhumanity, barbarism, mercilessness, barbarousness, unmercifulness, wickedness, ruthlessness, severity, malignity, malice, rancor, venom, coldness, unfeelingness, callousness, insensibility, indifference, insensitivity, fierceness, viciousness, bestiality, animality, truculence, ferocity, savagery, brutishness, implacability, grimness, monstrousness, inflexibility, fiendishness, hardness of heart, bloodthirstiness, unnaturalness, heartlessness, relentlessness, torture, persecution, inquisition, despotism, harshness, outrage, atrocity; see also evil 1, tyranny.
Antonyms benevolence, kindness*, humanity.