| caterwauling(adjective, hard, severe, sharp, flat) |
| clashing(adjective, hard, severe, sharp, flat) |
| coarse(adjective, hard, severe, sharp, flat) |
| craggy(adjective, hard, severe, sharp, flat) |
| creaking(adjective, hard, severe, sharp, flat) |
| croaky |
| disagreeing(adjective, hard, severe, sharp, flat) |
| dissonant(adjective, hard, severe, sharp, rough) |
| disturbing(adjective, hard, severe, sharp, flat) |
| dry |
| earsplitting(adjective, hard, severe, sharp, flat) |
| flat(adjective, hard, severe, sharp, rough) |
| glaring(adjective, hard, severe, sharp, flat) |
| grim(adjective, hard, severe, sharp, flat) |
| gruff(adjective, severe, rough, harsh, bleak) |
| hard(adjective, severe, sharp, flat, rough) |
| incompatible(adjective, hard, severe, sharp, flat) |
| jagged(adjective, hard, severe, sharp, flat) |
| jangling(adjective, hard, severe, sharp, flat) |
| noisy(adjective, hard, severe, sharp, flat) |