| gruesome(awful, terrible, dreadful) |
| hair-raising(adjective, awful, terrible, wonderful, amazing) |
| hideous(awful, terrible, disgusting, shocking, dreadful) |
| horrendous(awful, terrible, dreadful) |
| horrible(awful, terrible, disgusting, grand, shocking) |
| horrific(awful, terrible, disgusting, shocking, dreadful) |
| inconceivable(adjective, superb, wonderful, marvelous, fantastic) |
| jarring |
| jaw-dropping |
| macabre(awful, terrible, dreadful) |
| morbid(awful, terrible, strange, dreadful, horrifying) |
| notable |
| noteworthy |
| preternatural(adjective, extraordinary, unusual, amazing, remarkable) |
| rare(adjective, extraordinary, odd, remarkable, impressive) |
| redoubtable(awful, terrible, strange, dreadful, horrifying) |
| singular(adjective, extraordinary, odd, remarkable, impressive) |
| sudden(adjective, surprising) |
| terrifying(adjective, awful, terrible, disgusting, grand) |
| uncanny(adjective, unusual, strange, odd, bizarre) |