/owst/ , v.t.
1. to expel or remove from a place or position occupied: The bouncer ousted the drunk; to oust the Prime Minister in the next election.
2. Law. to eject or evict; dispossess.
[ 1375-1425; late ME ouster to remove, OF oster obstare to stand in the way, oppose ( ob- OB- + stare to STAND) ]
Syn. 1. eject, banish, evict, dislodge.