| fierce(adjective, severe, violent, cruel, vicious) |
| ferocious(adjective, strong, violent, brutal, menacing) |
| merciless(adjective, violent, cruel, vicious, fierce) |
| unmerciful(adjective, violent, cruel, vicious, fierce) |
| barbaric(adjective, violent, cruel, vicious, fierce) |
| barbarous(adjective, strong, severe, intense, violent) |
| bloodthirsty(adjective, strong, severe, intense, violent) |
| brutal(adjective, strong, severe, intense, violent) |
| brutish(adjective, strong, severe, intense, violent) |
| catty |
| cruel(adjective, strong, severe, intense, violent) |
| dangerous(adjective, strong, violent, brutal, ferocious) |
| feline |
| fell(adjective, strong, severe, intense, violent) |
| feller(adjective, violent, vicious, savage, destructive) |
| feral(adjective, strong, severe, intense, violent) |
| frightful(adjective, violent, cruel, vicious, fierce) |
| grim(adjective, violent, cruel, vicious, fierce) |
| implacable(adjective, violent, cruel, vicious, fierce) |
| inhuman(adjective, violent, cruel, vicious, fierce) |