Available Definitions:
1) v. t. - To defile by adultery.
2) v. t. - To corrupt, debase, or make impure by an admixture of a foreign or a baser substance; as, to adulterate food, drink, drugs, coin, etc.
3) v. i. - To commit adultery.
4) a. - Tainted with adultery.
5) a. - Debased by the admixture of a foreign substance; adulterated; spurious.