正しょう真しん正しょう銘めい

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

genuine; authentic; true; real

Emphasizes that something is unquestionably genuine, not a copy or fake. Often used with nouns like 本物, 品, or 実力.

• これは正しょう真しん正しょう銘めいのダイヤモンドです。

  This is a genuine diamond.