| drudgery(noun, adjective, hard, difficult, complex) |
| heavyweight(adjective, hard, difficult, complex) |
| messy(adjective, hard, difficult, unpleasant, complex) |
| stressful(adjective, hard, difficult, complex) |
| stubborn(adjective, hard, tough, difficult, harsh) |
| toilsome(adjective, hard, difficult, complex) |
| troubled(adjective, hard, difficult, complex) |
| wretched(adjective, mean, rough, poor, low) |
| appalling(adjective, severe, awful, terrible, horrible) |
| atrocious(adjective, severe, awful, terrible, horrible) |
| dismal(adjective, bad, severe, sad, pain) |
| dolorous(adjective, happy, sad, unhappy, sorrow) |
| heinous(adjective, severe, awful, terrible, horrible) |
| monstrous(adjective, severe, awful, terrible, horrible) |
| terrible(adjective, strong, severe, sad, tender) |
| agonizing(adjective, severe, painful, sickness, ache) |
| doleful(adjective, bad, happy, sad, sorrow) |
| pathetic(adjective, severe, sad, pain, sorrow) |
| pitiful(adjective, mean, severe, poor, low) |
| bitter(adjective, hard, tough, rough, harsh) |