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.
An anti-government party was formed in that country.
Common term for opposition party in a parliamentary system. 反政府党 is rarer and more explicitly anti-government, not just opposition.
Refers to anti-government forces or groups, often with a connotation of armed resistance, while 反政府党 is specifically a political party.
Compound of 反 (anti-), 政府 (government), and 党 (party). A straightforward modern political term.