villainly adjective 1adverb 1forms 2 adjective1 •Characteristic of a villain.Strikingly effective performance as the villainly Vitellia… — 1969 adverb1 •In the manner of a villain.Law, boasts it’s pillars upright, liberal, great! Abilities, enhanc’d by virtues rare! Who villainly hurl headlong from it’s seat, And suffering merit make their special care. — 1793 formsmore villainly · most villainly