An early by-form of corruption, n.: cf. corrump, v.

Corrupting influence or agency.

figurative and in extended use. That which corrupts, defiles, or fouls morally; obscene language, writing, action, etc.; an instance of this.

figurative. Any corroding or corrupting influence; a morally diseased or unsound element; a plague-spot.

A contaminating, corrupting, or depraving influence, physical or moral; a cause or condition of corruption or decay; an infection.

A thing that tends to corrupt. Obsolete.

A depraving influence or cause. Obsolete.

figurative and in figurative contexts (esp. in sense 2): a harmful or corrupting influence; (a form of) moral or intellectual perniciousness. Also…