| ugly(severe, weighty, aper, demoniac, crucial) |
| unamusing(adjective, tough, severe, important, significant) |
| unhumorous(adjective, tough, severe, important, deep) |
| worrying(adjective, tough, severe, important, significant) |
| annihilative(aper, demoniac) |
| aper(demoniac, annihilative) |
| brutish(aper, demoniac, annihilative) |
| coldblooded(aper, demoniac, annihilative) |
| demoniac(aper, annihilative) |
| destructive(aper, demoniac, annihilative) |
| eradicative(aper, demoniac, annihilative) |
| extirpative(aper, demoniac, annihilative) |
| feller(adjective, tough, deep, resolute, meaningful) |
| ferine(aper, demoniac, annihilative) |
| ferocious(aper, demoniac, annihilative) |
| fierce(aper, demoniac, annihilative) |
| inhuman(aper, demoniac, annihilative) |
| inhumane(aper, demoniac, annihilative) |
| lethiferous(aper, demoniac, annihilative) |
| life and death(expression, idiom, aper, demoniac, annihilative) |