| exasperating(adjective, awkward, uneasy, upsetting, uncomfortable) |
| heavy(adjective, tough, severe, difficult, harsh) |
| not good |
| pesky(adjective, hard, easy, severe, evil) |
| aching(adjective, painful, sickness, ache, anguishes) |
| biting(adjective, painful, sickness, ache, anguishes) |
| disquieting(adjective, hard, severe, happy, pain) |
| excruciating(adjective, painful, sickness, ache, anguishes) |
| knotty(adjective, hard, fancy, difficult, complex) |
| piercing(adjective, painful, sickness, ache, anguishes) |
| taxing(adjective, hard, tough, severe, difficult) |
| tedious(adjective, sickness, ache, anguishes) |
| ticklish(adjective, hard, tough, difficult, delicate) |
| disagreeable(verb, adjective, person, dull, bad) |
| cringeworthy |
| dreadful(verb, adjective, person, severe, tender) |
| formidable(adjective, hard, tough, severe, evil) |
| hurtful(adjective, painful, sickness, ache, anguishes) |
| miserable(adjective, dull, gloomy, painful, adverse) |
| nettlesome(adjective, tough, pain, tricky, complicated) |