一いっ党とう独どく裁さい体たい制せいいっとうどくさいたいせいMeanings1nounone-party dictatorship; single-party regimePolitical term for a system where only one party holds power, often with authoritarian control.その国くには一いっ党とう独どく裁さい体たい制せいのもとで統とう治ちされている。That country is governed under a one-party dictatorship.