中ちゅう産さん階かい級きゅう

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Meanings

noun, noun which may take the genitive case particle 'no'

Refers to the socioeconomic middle class. Can be used in both neutral and Marxist contexts.

〈人ひと〉は中ちゅう産さん階かい級きゅうに属ぞくするsomeone belongs to the middle class
彼かれの家か族ぞくは中ちゅう産さん階かい級きゅうに属ぞくしている。
His family belongs to the middle class.
中ちゅう産さん階かい級きゅうが拡かく大だいするthe middle class expands
経けい済ざい成せい長ちょうとともに中ちゅう産さん階かい級きゅうが拡かく大だいした。
The middle class expanded along with economic growth.

ブルジョアジー
ブルジョワジー is a French loanword used mainly in Marxist or historical discussions, while 中産階級 is the standard neutral Japanese term for the middle class.
中ちゅう間かん層そう
中間層 emphasizes income or economic positioning without political connotation, whereas 中産階級 can carry Marxist class-analysis overtones.
中ちゅう流りゅうN1
中産階級 is the more formal, explicit term for the middle class, while 中流 is shorter and used more casually, especially in compounds like 中流家庭.

上じょう流りゅう階かい級きゅう
上流階級 refers to the wealthy elite, the direct social opposite of 中産階級, the socioeconomic middle class.
下か層そう階かい級きゅう
下層階級 refers to the poorest social stratum, contrasting with 中産階級, the middle class.

Compound of 中産 (middle production/middle class) and 階級 (class, rank). The term is a direct translation of the Western concept of 'middle class'.