- (a.) Bitter; spiteful; malignant.
- (a.) Characterized by vice or defects; defective; faulty; imperfect.
- (a.) Not well tamed or broken; given to bad tricks; unruly; refractory; as, a vicious horse.
- (a.) Addicted to vice; corrupt in principles or conduct; depraved; wicked; as, vicious children; vicious examples; vicious conduct.
- (a.) Wanting purity; foul; bad; noxious; as, vicious air, water, etc.
- (a.) Not correct or pure; corrupt; as, vicious language; vicious idioms.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). vicious. Retrieved September 21, 2026, from http://smartdefine.org/vicious/definitions/2079570 |
| Chicago | Webster's. 2011. "vicious" http://smartdefine.org/vicious/definitions/2079570 (accessed September 21, 2026). |
| Harvard | Webster's 2011, vicious, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/vicious/definitions/2079570>. |
| MLA | Webster's. "vicious" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/vicious/definitions/2079570> |