非ひ許きょ容よう

noun

not permitted; not allowed; unacceptable

Formal or technical term for something that is not permitted or not acceptable, often used in rules, specifications, or system settings.

• この操そう作さは非ひ許きょ容ようです。

  This operation is not permitted.

• 非ひ許きょ容よう文も字じが含ふくまれています。

  Unacceptable characters are included.