回かい復ふく不ふ能のう

na-adjective, noun which may take the genitive case particle 'no'

unrecoverable; irreversible; irreparable

Describes a state that cannot be restored, reversed, or repaired. Often used in technical or formal contexts such as data loss, system failure, or permanent damage.

• ハードディスクが物ぶつ理り的てきに破は損そんしたため、データは回かい復ふく不ふ能のうです。

  The data is unrecoverable because the hard disk was physically damaged.

• この薬くすりの副ふく作さ用ようは稀まれに回かい復ふく不ふ能のうな臓ぞう器き障しょう害がいを引ひき起おこすことがある。

  This medication's side effects can rarely cause irreversible organ damage.