| fearsome(adjective, bad, awful, disgusting, sinful) |
| horrid(adjective, unpleasant, awful, terrible, disgusting) |
| spooky(adjective, bad, awful, disgusting, sinful) |
| fearful(adjective, unpleasant, awful, terrible, disgusting) |
| formidable(adjective, tough, awful, wonderful, grand) |
| creepy(adjective, bad, nasty, awful, disgusting) |
| dire(adjective, awful, terrible, horrible, afraid) |
| intimidating(verb, adjective, mean, sharp, cross) |
| macabre(adjective, bad, awful, disgusting, sinful) |
| petrifying(verb, adjective, frightening) |
| daunting(adjective, tough, awful, terrible, wonderful) |
| terrific |
| grim(adjective, nasty, dark, unpleasant, awful) |
| horrific(adjective, tough, difficult, awful, terrible) |
| spine-chilling(adjective, bad, awful, terrible, disgusting) |
| atrocious(adjective, unpleasant, awful, terrible, disgusting) |
| heinous(adjective, unpleasant, awful, terrible, disgusting) |
| wicked(adjective, bad, awful, terrible, disgusting) |
| abominable(adjective, unpleasant, awful, terrible, disgusting) |
| deadly(adjective, awful, terrible, horrible, afraid) |