| intolerable(adjective, bad, severe, pain, awful) |
| oppressive(adjective, bad, hard, difficult, complex) |
| grievous(adjective, hard, severe, difficult, complex) |
| painful(adjective, hard, difficult, complex, painful) |
| severe(adjective, hard, difficult, complex, painful) |
| cruel(adjective, hard, difficult, unpleasant, awful) |
| unendurable(adjective, bad, severe, pain, extreme) |
| dire(adjective, hard, difficult, complex, painful) |
| nasty(adjective, hard, difficult, unpleasant, awful) |
| impossible(adjective, hard, difficult, pain, complex) |
| burdensome(adjective, hard, difficult, complex, painful) |
| insufferable(adjective, bad, pain, terrible, vile) |
| arduous(adjective, hard, difficult, complex, painful) |
| sore(adjective, hard, difficult, complex, painful) |
| heavy-handed(adjective, bad, hard, difficult, complex) |
| disturbing(adjective, hard, difficult, complex) |
| hard(adjective, difficult, complex) |
| profound(adjective, hard, difficult, complex) |
| sad(adjective, hard, difficult, complex) |
| sensitive(adjective, hard, difficult, complex, painful) |