Villainous \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.

Source: Webster's Revised Unabridged Dictionary (1913)