| redoubtable(adjective, awful, terrible, dreadful) |
| unholy(adjective, bad, unpleasant, awful, terrible) |
| bloodcurdling(nasty, unpleasant, awful, terrible, unkind) |
| cadaverous(adjective, grim, shocking, pale, upsetting) |
| dark |
| desperate(adjective, awful, terrible, horrible, afraid) |
| dreaded(adjective, awful, terrible, horrible, afraid) |
| evil(adjective, endured) |
| flagitious(adjective, awful, terrible, horrible, afraid) |
| gastful(adjective, awful, terrible, horrible, afraid) |
| ghastful(adjective, awful, terrible, horrible, afraid) |
| grizzly(adjective, awful, terrible, horrible, afraid) |
| grueling(adjective, awful, terrible, horrible, afraid) |
| hair raising(adjective, awful, terrible, horrible, afraid) |
| helluva(adjective, awful, terrible, horrible, afraid) |
| nauseous(adjective, taste, awful, terrible, apperance) |
| noxious(adjective, endured) |
| scathing(adjective, awful, terrible, horrible, afraid) |
| uncanny(adjective, bad, awful, disgusting, sinful) |
| unsettling(adjective, bad, awful, terrible, disgusting) |