| flat(adjective, hard, sour, musty) |
| fusty(adjective, hard, sour, musty) |
| gone off(expression, adjective, hard, sour) |
| hackneyed(adjective, hard, sour, musty) |
| hard(adjective, sour, musty, decayed) |
| insipid(adjective, hard, sour, musty) |
| like a dinosaur(expression, adjective, idiom, hard) |
| malodorous(adjective, hard, sour, musty) |
| mawkish(adjective, hard, sour, musty) |
| moth-eaten(adjective, hard, sour, musty) |
| musty(adjective, hard, sour, decayed) |
| noisome(adjective, hard, sour, musty) |
| out(adjective, hard, sour, musty) |
| out-of-date(adjective, hard, sour, musty) |
| overused(adjective, hard, sour, musty) |
| passé(hard, sour, musty, decayed) |
| past(adjective, hard, sour, musty) |
| past its best(expression, adjective, idiom, hard) |
| past its sell-by date(expression, adjective, idiom, hard) |
| platitudinous(adjective, hard, sour, musty) |