| fusty(adjective, hard, warm, difficult, rank) |
| hard(adjective, difficult, complex, dry, bare) |
| flat(adjective, dull, set, hard, weak) |
| musty(adjective, dull, set, strong, hard) |
| hackneyed(adjective, dull, set, mean, beat) |
| trite(adjective, dull, set, mean, hard) |
| banal(adjective, dull, set, hard, weak) |
| commonplace(adjective, dull, set, hard, simple) |
| tired(adjective, dull, set, beat, hard) |
| dull(adjective, set, hard, weak, simple) |
| insipid(adjective, dull, hard, weak, flat) |
| dry(verb, adjective, take, dull, hard) |
| stereotyped(adjective, dull, set, hard, flat) |
| vapid(adjective, dull, set, weak, simple) |
| dead(adjective, dull, quiet, hard, weak) |
| threadbare(adjective, dull, set, beat, hard) |
| antiquated(adjective, hard, last, original, tired) |
| unoriginal(adjective, dull, set, hard, flat) |
| common(adjective, dull, set, hard, simple) |
| spoiled(adjective, hard, corrupt, disgusting) |