Synonyms for Tainted (same or very similar meaning)
WordNet sense 1 (touched by rot or decay):
corruptWordNet sense 2 (having or disintegrated; usually implies foulness):
rottenWordNet sense 3 (especially of reputation):
besmirched, flyblown, spotted, sullied, tarnished, damaged, stainedWordNet sense 4 (marred by imperfections):
blemishedFrom the ODE community, based on WordNetadd/edit