| deadly(adjective, dull, dry, boring, dreary) |
| difficult(adjective, dull, tender, boring, raw) |
| excruciating(adjective, sickness, ache, anguishes) |
| grievous(adjective, sickness, ache, anguishes) |
| hackneyed(adjective, dull, simple, flat, plain) |
| hard(adjective, dull, difficult, tender, boring) |
| leaden |
| mortal(adjective, dull, monotonous, weariness) |
| prolonged(adjective, dull, slow, boring, late) |
| raw(adjective, sickness, ache, anguishes) |
| repetitive(adjective, dull, flat, ordinary, dry) |
| severe(adjective, sickness, ache, anguishes) |
| sharp(adjective, tender, raw, painful, sickness) |
| spiritless(adjective, dull, weak, stupid, boring) |
| threadbare(adjective, dull, flat, stupid, dry) |
| tired(adjective, dull, flat, ordinary, dry) |
| unending(adjective, boring, rambling) |
| aching(adjective, sickness, ache, anguishes) |
| agonizing(adjective, sickness, ache, anguishes) |
| burning(adjective, sickness, ache, anguishes) |