| eerie(adjective, feeling, cause, extraordinary, unpleasant) |
| horrifying(adjective, person, place, feeling, cause) |
| spine-chilling(adjective, feeling, cause, worry, awful) |
| frightening(adjective, person, place, feeling, cause) |
| horrendous(adjective, feeling, unpleasant, awful, terrible) |
| creepy(adjective, feeling, slang, informal, terrible) |
| bloodcurdling(adjective, feeling, fear, horrible, scare) |
| dreadful(adjective, unpleasant, awful, terrible, fear) |
| alarming(adjective, feeling, cause, fear, scare) |
| ghastly(adjective, worry, unpleasant, awful, terrible) |
| gruesome(adjective, worry, unpleasant, awful, terrible) |
| hair-raising(adjective, feeling, cause, awful, terrible) |
| spooky(adjective, fear, horror, terror, feeling) |
| appalling(adjective, feeling, cause, worry, unpleasant) |
| terrifying(adjective, person, place, feeling, cause) |
| chilling(adjective, feeling, cause, worry, awful) |
| unnerving(adjective, feeling, cause, fear, scare) |
| fearful(adjective, animal, unpleasant, awful, terrible) |
| unearthly(adjective, awful, terrible, fear, horrible) |
| grisly(adjective, worry, unpleasant, awful, terrible) |