extracurricular
🇺🇸
/ˌekstrəkəˈrɪkjələr/
🇬🇧
/ˌekstrəkəˈrɪkjələ(r)/
Activities that are not part of the regular school or work schedule.
He joined an extracurricular club to make new friends.
他參加了一個課外俱樂部來結交新朋友。