Synonyms of decayed

1 Syllable

rank, bad

2 Syllables

shabby, carious, crumbly, scrubby, unclean, rattier, rusty, tatty, scrubbier, shabbier, putrid, potest, ratty, ruined, riddled, rotted, wasted, tainted, time-worn, cast-off, squalid, carrion, addled, fallen, mustier, musty, olden, rustier, crumblier, spoiled, castoff, poter, curer

3 Syllables

putrescent, putrefied, nidorous, unwatched, moth-eaten, weatherworn, effete, moldered, perished, demode, neglected, corroded, withered, disrepair, gangrenous, flatitious

4 Syllables

malodorous, rust-covered, weather-beaten, decomposed, overripe, malfunctional, dysfunctional

5 Syllables

dilapidated, degenerate, degenerated