inattention
🇺🇸
/ˌɪnəˈtenʃn/
🇬🇧
/ˌɪnəˈtenʃn/
Not paying attention or not focusing on something.
His inattention in class caused him to miss important information.
수업 중 그의 부주의로 중요한 정보를 놓쳤다.