a.[Z]

1. 倫理的，道德的；倫理學上的
   That is an ethical problem.

   那是個倫理問題。

2. 道德的；合乎道德的
   I won't do it; it's not ethical.

   我不會這麼做；這不符合職業道德。

3. （藥品）憑處方出售的

adj.

1. relating to moral principles or the branch of knowledge concerned with these.
   ▸morally correct.
2. (of a medicine) available only on prescription.