noun
anti-government party
Rare term; more commonly expressed as 反政府勢力 or 野党 depending on context. Used in political discourse to refer to a party opposing the current government.
その国では反政府党が結成された。
An anti-government party was formed in that country.
Compound of 反 (anti-), 政府 (government), and 党 (party). A straightforward modern political term.