| hideous(adjective, awful, terrible, horrible, afraid) |
| horrid(adjective, awful, terrible, horrible, afraid) |
| irksome(adjective, severe, difficult, harsh, heavy) |
| onerous(adjective, hard, tough, difficult, heavy) |
| parlous(adjective, awful, terrible, horrible, afraid) |
| scathing(adjective, awful, terrible, horrible, afraid) |
| spine-chilling(adjective, awful, terrible, horrible, afraid) |
| straining |
| very bad(adjective, bad, awful, terrible, disgusting) |
| wearing(adjective, difficult, awkward, demanding, trying) |
| wrenching(adjective, painful) |
| wretched(adjective, bad, awful, terrible, disgusting) |
| operose(adjective, hard, tough, difficult, awkward) |
| punishing(verb, adjective) |
| burdensome(adjective, hard, tough, severe, difficult) |
| excruciating(adjective, painful) |
| agonizing(adjective, painful) |
| besetting(adjective, painful) |
| crushing(adjective, painful) |
| oppressive(adjective, painful) |