adj villainous.
2. villain ·noun a baseborn or clownish person; a boor.
3. villain ·vt to debase; to degrade.
4. villain ·noun one who holds lands by a base, or servile, tenure, or in villenage; a feudal tenant of the lowest class, a bondman or servant.
5. villain ·noun a vile, wicked person; a man extremely depraved, and capable or guilty of great crimes; a deliberate scoundrel; a knave; a rascal; a scamp.