不ふ定てい期き刑けい

noun

indeterminate sentence

A legal term for a prison sentence whose length is not fixed at the time of sentencing, but may be adjusted based on behavior or other factors.

• 不ふ定てい期き刑けいは、受じゅ刑けい者しゃの更こう生せい状じょう況きょうによって刑けい期きが変かわる制せい度どです。

  An indeterminate sentence is a system where the prison term changes depending on the inmate's rehabilitation progress.