| tough(noun, adjective, action, person, mean) |
| coarse(adjective, dull, quiet, mean, body) |
| rugged(adjective, action, calm, quiet, strong) |
| crude(adjective, good, dull, mean, bad) |
| rude(adjective, good, dull, mean, bad) |
| unrefined(adjective, dull, mean, bad, hard) |
| hard(adjective, strong, great, tough, severe) |
| harsh(adjective, quiet, strong, hard, smooth) |
| severe(adjective, mean, bad, strong, hard) |
| arduous(adjective, hard, great, tough, severe) |
| difficult(adjective, hard, great, tough, severe) |
| cruel(adjective, strong, hard, tough, severe) |
| wild(adjective, calm, quiet, strong, difficult) |
| raw(adjective, nature, good, dull, mean) |
| laborious(adjective, hard, great, tough, severe) |
| uncouth(adjective, dull, mean, bad, hard) |
| nasty(adjective, mean, bad, hard, severe) |
| tight(adjective, hard, easy, severe, difficult) |
| knotty(adjective, hard, difficult, complex, coarse) |
| lumpy(adjective, hard, difficult, complex, coarse) |