acuteness, animality, atrociousness, atrocity, barbarity, barbarousness, beastliness, bestiality, bloodiness, bloodthirst, bloodthirstiness, bloody-mindedness, brutality, brutalness, brutishness, cannibalism, cruelness, cruelty, destructiveness, extremity, ferociousness, ferocity, fiendishness, fierceness, force, furiousness, harshness, impetuosity, inclemency, inhumaneness, inhumanity, intensity, malignity, mercilessness, mindlessness, murderousness, pitilessness, rigor, roughness, ruthlessness, sadism, sadistic cruelty, sanguineousness, savagery, severity, sharpness, terrorism, truculence, ungentleness, vandalism, vehemence, venom, viciousness, violence, virulence, wanton cruelty