- deliberately cruel or violent；(of an animal) wild and dangerous to people
- 1. deliberately cruel or violent a vicious assault 同義詞 反義詞
- ▪ (of an animal) wild and dangerous to people the dog was vicious and likely to bite
- ▪ serious or dangerous a vicious flu bug
- 2. literary immoral every soul on earth, virtuous or vicious, shall perish
- 3. archaic (of language or a line of reasoning) imperfect; defective.