単たんなる

pre-noun adjectival

mere; simple; nothing more than

Used before a noun to emphasize that something is just that and nothing more, often with a dismissive or minimizing tone.

• それは単たんなる噂うわさに過すぎない。

  That's nothing more than a rumor.

• 彼かれの話はなしは単たんなる言いい訳わけだ。