uniparty /ˈjuːnɪˌpɑɹti/adjective 2noun 1forms 1 adjective2 •Having only one political party, especially where opposition parties are outlawed; one-party, monoparty.The approaches discussed are ( in shorthand ) the charismatic legitimation theory, the elite-mass gap theory, and the uniparty theory. — 1967 •Involving only one party (person or group).This was primarily because of the uniparty dominance of the Congress party. — 1987 noun1 •(disapproving) A group of parties that operate as though they were a single party, having more or less identical ideologies.Trump will never be part of the uniparty because he may be the first American politician to successfully run against it as a foil. — 2020 formsuniparties