| nasty(adjective, unpleasant, awful, terrible, fear) |
| sinister(adjective, feeling, cause, terrible, fear) |
| wicked(adjective, awful, terrible, fear, horrible) |
| spine-tingling(adjective, informal, awful, fear, fearful) |
| abominable(adjective, unpleasant, awful, terrible, fear) |
| beastly(adjective, unpleasant, awful, terrible, fear) |
| nerve-racking(adjective, feeling, cause, fear, horrible) |
| spectral(adjective, terrible, fear, unreasonable, horror) |
| loathsome(adjective, nasty, unpleasant, awful, fear) |
| scaring(adjective, feeling, cause, awful, fear) |
| execrable(adjective, unpleasant, awful, terrible, fear) |
| uncanny(adjective, unusual, strange, fear, horror) |
| dangerous(adjective, terrible, fear, horror, threatening) |
| lurid(adjective, worry, unpleasant, awful, fear) |
| haunted(adjective, fear, shy, scare, horror) |
| phantasmal(adjective, fear, horror, shadowy, ghastly) |
| dire(adjective, worry, awful, terrible, fear) |
| horrid(adjective, worry, unpleasant, awful, terrible) |
| direful(adjective, worry, awful, terrible, fear) |
| striking(adjective, feeling, fear, scare) |