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

Multi-Version Concordance Vicious (3 Occurrences) Acts 18:14 But when Paul was about to open his mouth, Gallio said to the Jews, "If indeed it were a matter of wrong or of wicked crime, you Jews, it would be reasonable that I should bear with you; (See NAS RSV) Acts 20:29 For I know that after my departure, vicious wolves will enter in among you, not sparing the flock. (WEB) Isaiah 35:9 No lion will be there, or any cruel beast; they will not be seen there; but those for whom the Lord has given a price, (See NAS)