villainous

adj

1. Of, relating to, or appropriate to a villain.
2. Wicked, offensive, or reprehensible in nature or behaviour; nefarious.

   “Tuc[ca]. […] Can thy Author doe it impudently enough? / Hiſt[rio]. O, I warrant you, Captaine: and ſpitefully inough too; he ha's one of the moſt ouerflowing villanous wits, in Rome. He will ſlander any man that breathes; If he diſguſt him. / Tucca. I'le know the poor, egregious, nitty Raſcall; and he haue ſuch commendable Qualities, I'le cheriſh him: […]”

   “Bah! to this toilet for the villainous boredom of church.”

   “Baltar, played hammily as a selfish, cowardly survivor, is to “Battlestar Galactica” what Erica Kane is to “All My Children” — an amusingly villainous central character who brings a little campy comic relief to all that earnest, jaw-clenched melodrama.”