a.

1. 外面的，外部的
2. 外界的，外來的
   They did it in response to external pressures.

   他們這麼做是迫於外界的壓力。

3. 表面的；非本質的
   She sets great store by external politeness.

   她很注重表面的虛禮。

4. 外部世界的，物質（世界）的
5. 【藥】外用的
   This medicine is for external use only.

   這種藥僅限於外用。

6. 對外的；外國的
   Our external trade has expanded during recent years.

   我國的對外貿易近幾年來有所發展。

n.

1. 外形，外觀；形式；外表狀況[P]
   It is unwise to judge people by externals.

   以貌取人是不明智的。

adj.

1. belonging to, situated on, or forming the outside.
2. coming or derived from a source outside the subject affected.
   ▸coming from or relating to a country or institution other than the main subject:

   a department of external affairs.
3. for or concerning students registered with and taking the examinations of a university but not resident there.

n.