\Vil"lain*ous\, a. [Written also villanous.] 1. Base; vile; mean; depraved; as, a villainous person or wretch. 2. Proceeding from, or showing, extreme depravity; suited to a villain; as, a villainous action. 3. Sorry; mean; mischievous; -- in a familiar sense. ``A villainous trick of thine eye.'' --Shak. {Villainous judgment} (O. E. Law), a judgment that casts reproach on the guilty person. --- {Vil"lain*ous*ly}, adv. {Vil"lain*ous*ness}, n.