| adjective | (of a horse) having horseshoes with projecting nails to prevent slipping |
| adjective | (of persons or their actions) able or disposed to inflict pain or suffering “a barbarous crime” |
| adjective | unjustly domineering “incensed at the government's heavy-handed economic policies” |
| barbarousness | noun | the quality of being shockingly cruel and inhumane |
| brutality | noun | the trait of extreme cruelty |
| cruelness | noun | the quality of being cruel and causing tension or annoyance |
| savage | noun | a cruelly rapacious person |
| savageness | noun | the property of being untamed and ferocious |
| viciousness | noun | the trait of extreme cruelty |