From Longman Dictionary of Contemporary Englishtaintedtaint‧ed /ˈteɪntɪd/ adjective especially American English 1 DFa tainted substance, especially food or drink, is not safe because it is spoiled or contains a harmful substance or poison a tainted blood supply2 affected or influenced by something illegal, dishonest, or morally wrong a tainted witness
Examples from the Corpus
tainted• The human disease occurred after people ate tainted beef products.• Another theory for her longevity: that the person who donated the tainted blood may have been relatively healthy, Wara said.• Martha said it was too much of a coincidence that she should have eaten tainted food on two occasions so close together.• What emerges from that tainted oven will likely be a typical loaf of local politics leavened by big money.• The tainted places near the mountains are shunned by all but the boldest Elves for lurking evil can strike the unwary even here.• The company routinely recalls tainted products, but usually after receiving complaints from customers. 