無む産さん階かい級きゅうむさんかいきゅうじ字FuriganaMeanings1noun, noun which may take the genitive case particle 'no'proletariat; proletarian classMarxist term for the working class that does not own the means of production. Often used in political or historical contexts.マルクスは無む産さん階かい級きゅうの革かく命めいを唱となえた。