ワンマンwanman

1. prenominal modifierone-man (show, team, etc.)
2. na-adjective, no-adjectivetyrant; dictatorial person
3. nounconductorless bus (i.e. having only a driver); conductorless train

• Synonym独裁的どくさいてきWrittenWritten/formal prose. Holding all power and acting single-handedly, mostly in politics and regimes; 「ワンマン」 is for one person having the final say in a company or group.
• Related横柄おうへいNeutralNeutral. An arrogant, rude attitude that looks down on people, as in 「横柄な態度」; no sense of monopolizing decisions, which is what 「ワンマン」 stresses.
• Related高飛車たかびしゃNeutralNeutral. A domineering way of talking and treating people, pressing others down; 「ワンマン」 is about one person running an organization single-handedly.
• Related高姿勢こうしせいNeutralNeutral. A tough, aggressive stance, as in 「高姿勢に出る」, often in negotiations; it does not refer to a person who holds all the power.
• Related不遜ふそんWrittenWritten/formal prose. Haughty and lacking humility, as in 「不遜な態度」; it covers attitude only, without the dictatorial control of 「ワンマン」.
• Related傲岸ごうがんWrittenWritten/formal prose. Arrogant from feeling superior to others; rare, with 「傲慢」 the everyday choice. No nuance of acting dictatorially.
• Related傲慢不遜ごうまんふそんWrittenWritten/formal prose. A four-character idiom for arrogance that disregards others, heavier than 「横柄」; it describes attitude, not how decisions are made.
• Related居丈高いたけだかNeutralNeutral. Lording it over people with an imposing manner, as in 「居丈高に命令する」; it is about attitude, while 「ワンマン」 is about one person having the final say.
• Related威圧的いあつてきNeutralNeutral. Intimidating people with sheer force of presence, as in 「威圧的な態度」; the focus is the oppressive feeling given off, not dictatorial decision-making.
• Related高圧的こうあつてきNeutralNeutral. Pressing people down through power, as in 「高圧的な上司」; it stresses coercion, while 「ワンマン」 stresses not listening to others and acting on one's own.
• Antonym民主的みんしゅてきNeutralNeutral. Antonym. In line with democratic principles and respectful of majority views; it contrasts with the one-person rule of 「ワンマン」 in how decisions get made.
• Antonym合議制ごうぎせいWrittenWritten/formal prose. Antonym. A system where decisions are made by group deliberation, the opposite of 「ワンマン」-style management where one person has the final say.

Use 「ワンマン」 for one person dominating and deciding alone, as in 「ワンマン社長」; it also means a conductorless 「ワンマンバス」. For dictatorship in politics use 「独裁的」; for an arrogant attitude use 「横柄」. Most other synonyms describe overbearing manners rather than one-person control, while 「民主的」 and 「合議制」 are its opposites.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. ひとりの、ひとりでなどの意いで、他たの外来語がいらいごと複合ふくごうして用もちいる。
2. 他人たにんの意見いけんや批判ひはんに耳みみを貸かさず、自分じぶんの思おもいどおりに支配しはいする人ひと。独裁的どくさいてきな人ひと。独断どくだんで組織そしきなどを動うごかす人ひと。