verb
oust
OWST/aʊst/
To force someone out of a position, place, or power.
The manager ousts the executive, who carries his belongings toward the exit.

Etymology
The pieces mean “stand against,” the image behind blocking or hindering. The ancestral French verb already meant “remove” or “evict,” providing the direct connection to forcing someone out of a place or position.
In context
… files a motion to oust Kevin mccarthy as Speaker of the House, a serious effort to remove the speaker …
More examples
- Voters ousted the mayor after a corruption scandal.
- Security guards oust disruptive fans from the stadium.
- The rebels succeeded in ousting the president from power.
Forms
oust · ousts · ousted · ousting
ouster noun — Forced removal from office or power.