ad.

1. 绝对地，完全地
   It's absolutely no business of hers.

   这件事与她毫不相关。

2. 【口】（用于对答）一点不错，完全对

adv.

1. with no qualification or limitation; totally.
2. used for emphasis or to express agreement.
3. not viewed in relation to other things.
4. Grammar  (of a verb) without a stated object.