| adjective | (of persons or their actions) able or disposed to inflict pain or suffering “a barbarous crime” |
| adjective | harsh “the brutal summer sun” |
| adjective | resembling a beast; showing lack of human sensibility “beastly desires” |
| adjective | disagreeably direct and precise “he spoke with brutal honesty” |
| 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 |
| beast | noun | a living organism characterized by voluntary movement |
| beastliness | noun | the quality of being deliberately mean |
| bestialize | verb | make brutal and depraved; give animal-like qualities to |
| bestiality | noun | the stupid brutal quality of a beast |
| brutalize | verb | make brutal, unfeeling, or inhuman |