1.Characterized by vice or defects; defective; faulty; imperfect. "Though I perchance am vicious in my guess." "The title of these lords was vicious in its origin." "A charge against Bentley of vicious reasoning."
2.Addicted to vice; corrupt in principles or conduct; depraved; wicked; as, vicious children; vicious examples; vicious conduct. "Who... heard this heavy curse, Servant of servants, on his vicious race."
3.Wanting purity; foul; bad; noxious; as, vicious air, water, etc.
4.Not correct or pure; corrupt; as, vicious language; vicious idioms.
5.Not well tamed or broken; given to bad tricks; unruly; refractory; as, a vicious horse.
6.Bitter; spiteful; malignant. (Colloq.)
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