unsolved
🇺🇸
/ˌʌnˈsɑːlvd/
🇬🇧
/ˌʌnˈsɒlvd/
adjective
R
not yet figured out or answered
The police are still investigating the unsolved case from last year.
警察は昨年の未解決事件をまだ調査中です。
translation
未解決の