antidynasty
/ˌæntɪˈdɪnəstri/Definitions
1. noun
A monarch or government that has been overthrown and replaced by another.
“The new government was seen as an antidynasty by the people, who had grown tired of the old regime.”
2. noun
A period of time following the overthrow of a monarch or government, characterized by a new order or system of power.
“The antidynasty period in ancient China brought about significant social and economic reforms.”