unconcern
🇺🇸
/ˌʌnkənˈsɜːrn/
🇬🇧
/ˌʌnkənˈsɜːn/
The feeling of not being worried or interested about something.
She showed unconcern when she heard the news about the accident.
그녀는 사고 소식을 듣자 무관심을 보였습니다.