a.

1. 邪惡的；墮落的
   Later on she stopped leading a vicious life.

   後來，她不再過墮落的生活了。

2. 惡意的；惡毒的；兇惡的
   I won't listen to such vicious remarks.

   我不想聽這種惡毒的話。

3. 【口】惡性的；劇烈的，嚴厲的
   He gave the dog a vicious blow with his stick.

   他用手杖對狗狠狠一擊。

4. 有錯誤的，有缺點的
   vicious spelling

   錯誤百出的拼寫

adj.

1. cruel or violent.
   ▸(of an animal) wild and dangerous.
2. literary immoral.
3. archaic (of language or reasoning) imperfect; defective.