To destroy morally, make morally corrupt.

To render morally unsound or ‘rotten’; to destroy the moral purity or chastity of; to pervert or ruin (a good quality); to debase, defile.

To ruin morally; to damn, to bring to damnation. transitive. In past participle with to be. = sense 2. Obsolete.

transitive. figurative. To infect or corrupt; to consume slowly and secretly like (a) canker.

transitive. To make gangrenous. Frequently figurative (cf. gangrenous, adj. 2).

transitive. figurative. To make corrupt, esp. morally; to destroy or impair the quality, purity, or soundness of.

transitive. To corrode (metal), as with rust or verdigris. Also figurative and in figurative contexts. Also occasionally intransitive: to…

To seduce from virtue or morality; to pervert, deprave, or corrupt morally; esp. to corrupt or deprave by intemperance, or sensual indulgence.

transitive. Of the fly: to deposit eggs in (meat, etc.); hence, to corrupt secretly, taint. Chiefly figurative.

= debauch, v. (Cf. bebar, v.)

transitive. To cause to commit perjury; to make guilty of perjury.

transitive. To ulcerate. Also figurative.

To render drossy or impure; to corrupt. Obsolete.

transitive. To corrupt morally; to deprave by sensuality; = debauch, v. 2. Also figurative.

figurative and in figurative contexts. transitive. To corrupt, make rotten; to be a poisonous influence on.