| throbbing(adjective, sickness, ache, anguishes) |
| troubling(adjective, hard, severe, offensive, awkward) |
| ungovernable(adjective, tough, terrible, wild, awkward) |
| irksome(adjective, dull, tough, difficulty, heavy) |
| rigid(adjective, hard, tough, severe, rough) |
| Gargantuan(adjective, hard, tough, problematic, trying) |
| Herculean(adjective, hard, tough, rough, heavy) |
| adverse(adjective, adverse) |
| austere |
| back-breaking |
| biting(adjective, sickness, ache, anguishes) |
| boorish(adjective, tough, problematic, trying, perverse) |
| burning(adjective, sickness, ache, anguishes) |
| caustic(adjective, sickness, ache, anguishes) |
| chancy(noun, adjective, delicate, tricky, risky) |
| confusing(adjective, hard, complex, awkward, involved) |
| convoluted(adjective, hard, fancy, complex, sophisticated) |
| dainty(adjective, demanding, scrupulous, particular, meticulous) |
| disobedient |
| distressful(adjective, adverse) |