불구속이 · 불구속을
without detention, without arrest (while under investigation or trial)
Example
경찰은 그를 불구속 상태로 조사하고 있습니다.
Police are investigating him without detaining him.
Word parts
불 not+구 seize+속 bind
Literally 'not bound' — the suspect stays free during the process.
Good to know
Very common in news as 불구속 기소 'indicted without detention'.
Related words