| trouble(noun, difficulty, hardship, uneasy, not easy) |
| unwillingly(adverb, hard, tough, difficult, heavy) |
| uphill(noun, difficulty, hardship, uneasy, not easy) |
| difficultly(adverb, hard, tough, difficult, heavy) |
| arduousness(noun, trouble, difficulty, problem) |
| asperity(noun, trouble, difficulty, problem) |
| bafflement(noun, trouble, difficulty, problem) |
| bitch(noun, trouble, difficulty, problem) |
| bottleneck(noun, trouble, difficulty, problem) |
| bugbear(noun, trouble, difficulty, problem) |
| formidability(noun, trouble, difficulty, problem) |
| grievance(noun, trouble, difficulty, problem) |
| hardness(noun, trouble, difficulty, problem) |
| hardship(noun, trouble, difficulty, problem) |
| matter(noun, trouble, difficulty, problem) |
| nicety(noun, trouble, difficulty, problem) |
| ponderosity(noun, trouble, difficulty, problem) |
| road-block(noun, trouble, difficulty, problem) |
| robustness(noun, trouble, difficulty, problem) |
| struggle(noun, trouble, difficulty, problem) |