Adulterate

(v. t.)

To defile by adultery.

(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.

(v. i.)

To commit adultery.

(a.)

Tainted with adultery.

(a.)

Debased by the admixture of a foreign substance; adulterated; spurious.