unseat

IPA: ʌnsˈit

(transitive) To dislodge or remove (someone) from a seat, especially on horseback.
(transitive, figuratively)
To remove (someone) from an office or position, especially a political one; to dethrone.
To cause (something) to be removed or replaced in its role; to displace, to overturn.
To upset the composure of (someone); to astound, to shock, to unsettle.
(intransitive, technical) To come off or out of a seat.

Examples of "unseat" in Sentences

House of Representatives was to vote on a resolution to "unseat" the Mississippi delegation.
I think the point of Afghanistan was to get Osama and destabalize al Qaeda and you think the point was to "unseat" the Taliban, and you think I'm the idiot?
Looking for a sequel for an author isn't really logical but is some marketing person going to claim their next big author is going "unseat" some established author?
Meanwhile, on the campus of the University of Iowa in Iowa City, Natalie Ginty is heading up a political ground game urging fellow students to join the effort to unseat President Obama in 2012.
Now let's hope that the Lib Dems in Oldham East can pull their fingers out and finally unseat Mr Woolas next time because in my opinion, if there is any new Labour MP who deserves to lose his seat, it's Mr Woolas.
Other freshman classes have exerted a much more profound immediate influence, though in fairness some of the guys this year were shackled by the presence of more experienced players ahead of them who would have been difficult to unseat from the lineup.
Because we were trying to unseat an incumbent president, and because I was so offended by the direction Reagan was leading the nation, the speech also had to develop a specific critique of his presidency: His budget deficits were leaving a huge debt for our children.