1. 罢黜；把…撤职；驱逐
If someone is ousted from a position of power, job, or place, they are forced to leave it.

1. remove from a position or office

e.g. The chairman was ousted after he misappropriated funds

Synonym: throw outdrum outboot outkick outexpel

2. remove and replace

e.g. The word processor has ousted the typewriter