Vicious

Part of speech: adjective (a.)

1. Characterized by vice or defects; defective; faulty; imperfect. Though I perchance am vicious in my guess. Shak. The title of these lords was vicious in its origin. Burke. A charge against Bentley of vicious reasoning. De Quincey.

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. Milton.

3. Wanting purity; foul; bad; noxious; as, vicious air, water, etc. Dryden.

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.]

Synonyms: Corrupt; faulty; wicked; depraved. Vi"cious*ly, adv. Vi"cious*ness, n.