| fusty(adjective, hard, warm, difficult, rank) |
| hard(adjective, difficult, complex, dry, bare) |
| flat(adjective, dull, set, hard, weak) |
| musty(adjective, dull, set, strong, hard) |
| boring(adjective, dull, weak, simple, flat) |
| hackneyed(adjective, dull, set, mean, beat) |
| nasty(adjective, hard, difficult, rank, complex) |
| trite(adjective, dull, set, mean, hard) |
| old(adjective, beat, hard, last, dead) |
| banal(adjective, dull, set, hard, weak) |
| commonplace(adjective, dull, set, hard, simple) |
| oppressive(adjective, hard, warm, difficult, complex) |
| sluggish(adjective, hard, difficult, complex) |
| tired(adjective, dull, set, beat, hard) |
| dull(adjective, set, hard, weak, simple) |
| insipid(adjective, dull, hard, weak, flat) |
| heavy-handed(adjective, dull, hard, difficult, complex) |
| ponderous(adjective, dull, hard, difficult, complex) |
| sticky(adjective, hard, difficult, complex, tight) |
| dry(verb, adjective, take, dull, hard) |