(n.) Fierceness; defiant aggressiveness\.

abruptness aggression aggressiveness animality antagonism atrociousness barbarity barbarousness bearishness beastliness bellicism bellicosity belligerence belligerency bestiality bloodiness bloodlust bloodthirst bloodthirstiness bloody-mindedness bluntness boorishness brashness brusqueness brusquerie brutality brutalness brutishness cannibalism chauvinism churlishness combativeness contentiousness cruelness cruelty crustiness curtness ferociousness ferocity fiendishness fierceness fight gruffness harshness hostility inhumaneness inhumanity jingoism martialism militancy militarism nastiness pugnaciousness pugnacity quarrelsomeness roughness ruthlessness saber rattling sadism sadistic cruelty sanguineousness savagery severity sharpness shortness surliness unfriendliness unpeacefulness vandalism viciousness violence wanton cruelty warmongering warpath