粗そ製せい乱らん造ぞう

そ

せ

い

ら

ん

ぞ

う

Meanings

1

mass production of inferior goods; shoddy overproduction

A yojijukugo (four-character idiom) used to criticize manufacturing that prioritizes quantity over quality, resulting in low-grade products.

じょう

に

粗そ

悪あく

品ひん

を

あふれ

させ

た

。

Postwar shoddy overproduction flooded the market with inferior goods.

このメーカーの粗そ製せい乱らん造ぞうぶりには失しつ望ぼうした。

I was disappointed by this manufacturer's mass production of low-quality items.

大たい量りょう生せい産さん
Neutral term for mass production; 粗製乱造 adds a strong negative judgment about poor quality.
粗そ悪あく品ひん
Refers to the inferior goods themselves, while 粗製乱造 describes the act or state of producing them.

粗そ製せい乱らん造ぞう
Modern standard spelling with 乱; widely used in contemporary writing.
粗そ製せい濫らん造ぞう
Original form using 濫; still seen but less common than 乱.

A yojijukugo combining 粗製 (roughly made) and 濫造/乱造 (indiscriminate manufacturing). The variant with 乱 is now standard.