0 past simple and past participle of unseat
1 to remove someone from power, especially as a result of an election:
2 If a horse unseats its rider, it throws them from its back.
Only fifteen times in a total of 106 cases has a sitting majority party member been unseated in favor of a minority party contestant.
Another avenue to pursue would be to examine only those cases in which a contestant successfully unseated a constestee.
In other words, if connivance can be proved against the opposinging member (or his agent) then he can be unseated.
As was pointed out, if they go over the top they are in danger of being unseated.
He was then re-elected and unseated on petition.
One died of heart failure, and another had to be destroyed as the result of an accident which occurred after his rider had been unseated.
The courts heard the petition and, as a result, he was unseated.
It would be absurd to suppose that old beliefs can be unseated and old usages altered without some element of danger.