To injure, as a lance, without breaking it; also, to break, as a lance, but usually in an unknightly or unscientific manner.(verb)
source: webster1913
To imbue or impregnate with something extraneous, especially with something odious, noxious, or poisonous; hence, to corrupt; to infect; to poison; as, putrid substance taint the air.(verb)
source: webster1913
To be infected or corrupted; to be touched with something corrupting.(verb)