noun
illicitly brewed liquor; moonshine
Refers to alcohol produced illegally, often to evade taxes or regulations. The term is neutral in register but describes an illegal product.
警察は山奥で密造酒を作っていたグループを摘発した。
The police busted a group that was making moonshine deep in the mountains.
この地域では密造酒が健康被害を引き
In this region, illicitly brewed liquor is causing health problems.
酒 is the general term for alcohol; 密造酒 specifies illegally produced alcohol.
Compound of 密造 (illicit manufacturing) and 酒 (alcohol). The exact historical derivation is uncertain, but the term straightforwardly describes illegally produced liquor.