n.

1. 禁忌，忌讳；戒律[U][C]
2. 禁忌的事物（或行为）；禁忌语[C]
3. 禁忌信奉，守戒

a.

1. 禁忌的，忌讳的；禁止的
   For most people, birth control is no longer such a taboo subject.

   对大多数人来说，节制生育已不再是那么一个禁忌的话题。

vt.

1. 把……列为禁忌；禁止

n.

a social or religious custom placing prohibition or restriction on a particular thing or person.

adj.

prohibited or restricted by social custom.

v.

place under a taboo.