| jarring(adjective, characteristic, severe, rough, offensive) |
| oppressive(adjective, characteristic, hard, tough, severe) |
| punitive(adjective, characteristic, severe, nasty, cruel) |
| rugged(adjective, characteristic, strong, hard, smooth) |
| savage(adjective, characteristic, mean, hard, tough) |
| tyrannical(adjective, characteristic, hard, tough, severe) |
| merciless(adjective, mean, hard, tough, severe) |
| acid(noun, adjective, characteristic, tough, sharp) |
| acute(adjective, characteristic, strong, great, severe) |
| bleak(adjective, characteristic, hard, tough, severe) |
| coarse(adjective, characteristic, hard, smooth, simple) |
| extreme(adjective, characteristic, strong, hard, great) |
| fierce(adjective, characteristic, mean, strong, hard) |
| heartless(adjective, mean, feeling, hard, cool) |
| intense(adjective, characteristic, strong, great, severe) |
| piercing(adjective, characteristic, strong, sharp, intense) |
| rasping(adjective, characteristic, severe, rough, offensive) |
| unpleasant(adjective, characteristic, mean, hard, cool) |
| unrelenting(adjective, characteristic, mean, strong, hard) |
| violent(adjective, strong, hard, tough, severe) |