THESAURUS
gangrened
bad, cankered, carious, contaminated, corrupt, decayed, decomposed, diseased, festering, foul, gangrenous, gone bad, infected, morbid, mortified, necrosed, necrotic, pathological, peccant, poisoned, putrefied, putrescent, putrid, rotten, rotting, septic, sphacelated, spoiled, suppurating, suppurative, tainted, ulcerated, ulcerous