一いっ党とう優ゆう位い政せい党とう制せいMeaningsNoun1. dominant-party system; one-party dominant systemKanji used一one党political party優gentle位rank政politics制controlComposed of一いっ党とうone party; one faction; one cliqueNoun優ゆう位いpredominance; superiority; ascendancy; advantage; supremacyNoun政せい党とうpolitical partyNoun制せいsystem; organization; organisation; imperial command; laws; regulation; control; government; suppression; restraint; …Noun