overthrow

US /ˌoʊ.vɚˈθroʊ/
UK /ˌoʊ.vɚˈθroʊ/
1.

to defeat or remove someone from power, using force:

:
He said that Allende's government in Chile was overthrown by the army and the CIA in 1973.
1.

an occasion when someone or something is removed from power using force:

:
the overthrow of the monarchy