| feller(adjective, injurious, deadly, destructive, fatal) |
| ferine(aper, demoniac, annihilative) |
| ferocious(aper, demoniac, annihilative) |
| fierce(aper, demoniac, annihilative) |
| grave(aper, demoniac, annihilative) |
| inhuman(aper, demoniac, annihilative) |
| inhumane(aper, demoniac, annihilative) |
| life and death(expression, idiom, aper, demoniac, annihilative) |
| malign |
| mischievous |
| murderous(aper, demoniac, annihilative) |
| no joke(expression, aper, demoniac, annihilative) |
| no laughing matter(expression, idiom, aper, demoniac, annihilative) |
| of consequence(expression, aper, demoniac, annihilative) |
| of great consequence(expression, idiom, aper, demoniac, annihilative) |
| out for blood(expression, idiom, aper, demoniac, annihilative) |
| playing hard ball(expression, idiom, aper, demoniac, annihilative) |
| ravening(aper, demoniac, annihilative) |
| sanguinary(aper, demoniac, annihilative) |
| sanguineous(aper, demoniac, annihilative) |