vt.

1. 驱逐，撵走[（+from）]
   oust a rival from the committee

   将敌手从委员会中赶出去

2. 剥夺
3. 逼迫退位；驱逐下台
   Historically, many leaders of democratic countries were ousted in a military coup.

   历史上，有许多民主国家的领导人在一场军事政变中被迫下台。

v.

1. drive out or expel from a position or place.
2. Law  deprive of or exclude from possession of something.
   ▸take away (a court's jurisdiction) in a matter.