(1):
(a.) Bitter; spiteful; malignant.
(2):
(a.) Characterized by vice or defects; defective; faulty; imperfect.
(3):
(a.) Addicted to vice; corrupt in principles or conduct; depraved; wicked; as, vicious children; vicious examples; vicious conduct.
(4):
(a.) Wanting purity; foul; bad; noxious; as, vicious air, water, etc.
(5):
(a.) Not well tamed or broken; given to bad tricks; unruly; refractory; as, a vicious horse.
(6):
(a.) Not correct or pure; corrupt; as, vicious language; vicious idioms.