| insipid(adjective, dull, hard, weak, taste) |
| flat(adjective, dull, hard, weak, taste) |
| dull(adjective, hard, weak, flat, rough) |
| stale(adjective, dull, hard, weak, flat) |
| watery(adjective, dull, hard, weak, flat) |
| weak(adjective, dull, hard, flat, thin) |
| dead(adjective, dull, hard, weak, cold) |
| common(adjective, bad, hard, offensive, rude) |
| banal(adjective, dull, hard, weak, plain) |
| commonplace(adjective, hard, sour, musty) |
| rank(adjective, dull, hard, rough, nasty) |
| drab(adjective, dull, hard, weak, plain) |
| dry(adjective, hard, sour, musty) |
| dusty(adjective, hard, sour, musty) |
| effete(adjective, hard, sour, musty) |
| mawkish(adjective, hard, sour, musty) |
| out(adjective, hard, sour, musty) |
| sour(adjective, bad, hard, nasty, unpleasant) |
| trite(adjective, hard, sour, musty) |
| antiquated(adjective, hard, plain, sour) |