Definition of villain

• n. - One who holds lands by a base, or servile, tenure, or in villenage; a feudal tenant of the lowest class, a bondman or servant.
• n. - A baseborn or clownish person; a boor.
• n. - A vile, wicked person; a man extremely depraved, and capable or guilty of great crimes; a deliberate scoundrel; a knave; a rascal; a scamp.
• a. - Villainous.
• v. t. - To debase; to degrade.