vicious
/ˈvɪʃəs/adjective
1
- deliberately cruel or violent恶毒的, 恶意的; 凶残的：
a vicious assault.
恶意的攻击。
1.1
- (of an animal) wild and dangerous to people（动物）凶猛的。
1.2
- figurative serious or dangerous〈喻〉严重的; 危险的：
a vicious flu bug.
危险的流感病毒。
1.3
- poetic/literary immoral〈诗/文〉不道德的; 罪恶的：
every soul on earth, virtuous or vicious, shall perish.
世间的人, 无论道德的还是不道德的, 终将死亡。
2
- archaic (of language or a line of reasoning) imperfect; defective〈古〉（语言, 推理）不完善的, 有缺陷的; 谬误的。
派生词
viciously
adverbviciousness
noun词源
Middle English （in the sense 'characterized by immorality'）： from Old French vicious or Latin vitiosus, from vitium 'vice'.