Verb
To drive or force out from that within which anything is contained, inclosed, or situated; to eject; as to expel air from a bellows.
To drive away from one's country; to banish.
To cut off from further connection with an institution of learning, a society, and the like; as, to expel a student or member.
To keep out, off, or away; to exclude.
To discharge; to shoot.
Source: Webster's dictionaryThe chairman was ousted after he misappropriated funds Source: Internet
combustion products are exhausted in the engine Source: Internet
the plant releases a gas Source: Internet
rout out the fighters from their caves Source: Internet
He was expelled from his native country Source: Internet
A cynical, and perhaps plausible, explanation is that Fidesz is simply too important and strong to expel them from the party. Source: Internet