This is the 16137th most frequent Korean word.
불기소했다
"불기소했다" means "did not prosecute."
Here, '불기소했다' is used to indicate the action of not indicting an individual by the prosecution due to lack of evidence.
검찰은 증거가 부족하여 그를 불기소했다.
The prosecution did not indict him due to insufficient evidence.
In this sentence, '불기소' is used as a noun in '불기소 결정,' referring to the decision not to indict someone.
그 사건에 대해 법원이 불기소 결정에 영향을 미쳤다.
The court influenced the non-indictment decision regarding the case.
Here, '불기소' is a noun describing the state or result of not indicting someone.