| adamant(adjective, mean, harsh, cruel, vicious) |
| barbarous(adjective, mean, evil, nasty, harsh) |
| bestial(adjective, evil, nasty, harsh, vicious) |
| bitter(adjective, evil, nasty, harsh, vicious) |
| bloodthirsty(adjective, evil, nasty, harsh, vicious) |
| brutal(adjective, mean, evil, nasty, harsh) |
| brutish(adjective, evil, nasty, harsh, vicious) |
| callous(adjective, mean, evil, nasty, harsh) |
| cold(adjective, mean, harsh, cruel, vicious) |
| cold-blooded(adjective, mean, evil, nasty, harsh) |
| corrective |
| degenerate(adjective, evil, nasty, harsh, vicious) |
| demoniac(adjective, evil, nasty, harsh, vicious) |
| depraved(adjective, evil, nasty, harsh, vicious) |
| despiteful |
| evil(adjective, nasty, harsh, vicious, wicked) |
| excruciating(adjective, evil, nasty, harsh, vicious) |
| feral(adjective, mean, harsh, cruel, vicious) |
| ferocious(adjective, mean, evil, nasty, harsh) |
| fierce(adjective, mean, evil, nasty, harsh) |