absenteeism
🇺🇸
/ˌæbsənˈtiːɪzəm/
🇬🇧
/ˌæbsənˈtiːɪzəm/
The practice of being away from work or school often and without good reason.
The school had to address the issue of absenteeism among its students.
学校必须解决学生中的缺勤问题。