| acid |
| asymmetrical(adjective, rough, irregular, odd, unbalanced) |
| bearded(adjective, harsh, coarse, irregular, uneven) |
| biting |
| bleak(adjective, hard, severe, sharp, flat) |
| brambly(adjective, harsh, coarse, irregular, uneven) |
| bristly(adjective, harsh, coarse, irregular, uneven) |
| bumpy(adjective, rough, harsh, coarse, irregular) |
| bushy(adjective, harsh, coarse, irregular, uneven) |
| cacophonous(adjective, hard, severe, sharp, flat) |
| caterwauling(adjective, hard, severe, sharp, flat) |
| caustic |
| chapped(adjective, harsh, coarse, irregular, uneven) |
| choppy(adjective, harsh, coarse, irregular, uneven) |
| clashing(adjective, hard, severe, sharp, flat) |
| cracked(adjective, hard, severe, sharp, flat) |
| cragged(adjective, harsh, coarse, irregular, uneven) |
| creaking(adjective, hard, severe, sharp, flat) |
| croaking(adjective, hard, severe, sharp, flat) |
| cross-grained(adjective, harsh, coarse, irregular, uneven) |