| flat(adjective, dull, set, hard, silly) |
| hoary(adjective, flat, stupid, ordinary, dry) |
| insipid(adjective, dull, hard, flat, ordinary) |
| past(adjective, dull, hard, last, original) |
| relic(last, original, past, outdated) |
| repetitious(adjective, dull, hard, flat, stupid) |
| rusty(last, original, past, outdated) |
| venerable(original, past, outdated, obsolete) |
| drab(adjective, dull, hard, tired) |
| dried(adjective, hard, sour, musty) |
| dusty(adjective, dull, hard, tired) |
| fetid(adjective, hard, sour, musty) |
| fusty(adjective, dull, hard, tired) |
| gone off(expression, adjective, hard, sour) |
| hard(adjective, sour, musty, decayed) |
| like a dinosaur(expression, adjective, idiom, dull, hard) |
| malodorous(adjective, hard, sour, musty) |
| mawkish(adjective, dull, hard, tired) |
| noisome(adjective, hard, sour, musty) |
| parched(adjective, hard, sour, musty) |