A sole political party refers to a situation where only one political party is legally allowed to exist or effectively dominates the political landscape, often suppressing opposition parties and limiting political pluralism.
Related terms
Authoritarianism: A form of government characterized by strong central power, limited individual freedoms, and lack of political competition.
One-party rule: A system where only one political party holds power, preventing rival parties from competing on an equal footing.
Totalitarianism: An extreme form of authoritarianism where the government exercises complete control over all aspects of public and private life.