| ponderous(adjective, hard, difficult, complex) |
| serious(adjective, bad, strong, hard, tough) |
| stertorous(adjective, hard, difficult, complex) |
| stubborn(adjective, strong, hard, tough, difficult) |
| uncivil(adjective, hard, severe, sharp, nasty) |
| burly(adjective, hard, difficult, complex) |
| hoarse(adjective, quiet, hard, severe, sharp) |
| inelegant(adjective, dull, mean, hard, simple) |
| scratchy(adjective, harsh, coarse, sounds, grating) |
| toilful(adjective, hard, difficult, complex, awkward) |
| troubled(adjective, hard, difficult, complex, painful) |
| boorish(adjective, dull, bad, hard, smooth) |
| gruff(adjective, quiet, open, direct, sound) |
| impolite(adjective, bad, hard, sharp, nasty) |
| bumpy(adjective, violent, property, coarse, unstable) |
| turbulent(adjective, nature, calm, quiet, strong) |
| uncultured(adjective, dull, hard, smooth, simple) |
| unfinished(adjective, mean, start, simple, coarse) |
| approximate(adjective, exact, vague, inexact, imprecise) |
| brutal(adjective, hard, severe, difficult, rude) |