| hard(adjective, difficult, tender, unpleasant, complex) |
| shocking(adjective, pain, awful, terrible, fear) |
| difficult(adjective, hard, complex, sickness, ache) |
| disturbing(adjective, hard, severe, difficult, unpleasant) |
| hideous(adjective, awful, terrible, horrible, dreadful) |
| gruesome(adjective, awful, terrible, horrible, dreadful) |
| serious(adjective, hard, difficult, complex) |
| fearful(adjective, pain, awful, terrible, fear) |
| atrocious(adjective, awful, terrible, horrible, afraid) |
| extreme(adjective, painful, sickness, ache, convention) |
| heartrending(adjective, hard, difficult, complex) |
| sensitive(adjective, hard, difficult, complex, painful) |
| horrendous(adjective, awful, terrible, horrible, afraid) |
| grim(adjective, pain, dark, awful, terrible) |
| dread(adjective, awful, terrible, fear, horrible) |
| weighty(adjective, hard, difficult, complex) |
| frightening(adjective, awful, terrible, horrible, afraid) |
| laborious(adjective, hard, difficult, complex) |
| massive(adjective, hard, difficult, complex) |
| messy(adjective, hard, difficult, complex) |