figurative (of things immaterial).

To injure in respect of character; to spoil morally. Obsolete.

transitive. To corrupt or contaminate morally or physically; to taint; to infect. Now rare.

To render corrupt in morals; to deprave in respect of principles or conduct; to lower the moral standard of (persons).

transitive. To corrupt, debase, make degenerate.

transitive. To render vicious; to corrupt, spoil.

To make morally vile; to degrade; also, to defile or dirty. Obsolete.

transitive. To corrupt or undermine the morals or moral principles of. Now somewhat archaic (chiefly U.S.).