| retrograde(immoral, debased, decadent) |
| retrogressive(immoral, debased, decadent) |
| run-down(beat, weak, feeble, dead, exhausted) |
| rusty(deterioration, uncleanness) |
| sapless(adjective, weak, thin, delicate, degenerate) |
| seedy(weakness, feeble, deterioration, dilapidated, debilitated) |
| sinking(immoral, debased, decadent) |
| strengthless(adjective, weak, thin, delicate, degenerate) |
| tainted(verb, deterioration, uncleanness) |
| tasteless(adjective, hard, old, sour, musty) |
| unavailing |
| unsound(adjective, uncertain, feeble, hesitant, frail) |
| unsubstantial(adjective, uncertain, feeble, shaky, hesitant) |
| used(feeble, dead, shabby, exhausted, reduced) |
| vitiated(verb, adjective, mean, weak, low) |
| waning |
| washed-out(adjective, exhausted, spoiled) |
| weakling |
| weakly(adjective, weak, thin, delicate, uncertain) |
| wimpy(adjective, weak, thin, delicate, degenerate) |