[noun] [U] USthe removal of someone from an important position or jobThe committee's chairperson is facing possible ouster.Public opinion remains overwhelmingly in favor of the ouster of the president's ouster.The fear of a political ouster might make the prime minister and his colleagues adopt a tougher stance.
OUSTER
Meaning of OUSTER in English
Cambridge English vocab. Кембриджский английский словарь. 2012