Definition of "vitious"

Matter of doubt and dread suspitious, / That doth with curelesse care consume the hart, / Corrupts the stomacke with gall vitious, / Croscuts the liuer with internall smart, / And doth transfixe the soule with deathes eternall dart.

1590, Edmund Spenser, “Book III, Canto X”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie

For our Religion where was there a more ignorant, profane, and vitious clergy, learned in nothing but the antiquitie of thir pride, thir covetouſnesſs and ſuperſtition

1649, J[ohn] Milton, chapter IX, in ΕΙΚΟΝΟΚΛΆΣΤΗΣ [Eikonoklástēs] […], London: […] Matthew Simmons, […], pages 79–80