Another word for tainted

Except from these interesting but somewhat tainted sources, we know little or nothing about him.

Marcionites, named by Clement of Alexandria Antitactae (revolters against the Demiurge) held the Old Testament economy to be throughout tainted by its source; but they are not accused of licentiousness.

He was taken from the Federal service in Washington to New York City by a reform mayor and put in charge of the police, because he had shown both physical and moral courage in fighting corruption of all sorts; and the New York police force at that time was thoroughly tainted with corruption, not in its rank and file, but among its superior officers, who used the power in their hands to extort money bribes chiefly from saloonkeepers, liquor-dealers, gamblers and prostitutes.

He is free from the scholastic trifling and learned frivolity which tainted the rhetorical culture of his century.

Whilst he correctly describes the European movement of industry, and explains it as arising out of adequate social causes, he yet, in accordance with the absolute principles which tainted his philosophy, protests against it as in- volving an entire inversion of the "natural order of things."