extra-curricular
/ˌekstrəkəˈrɪkjʊlə(r)/adjective
1- (of an activity at a school or college) pursued in addition to the normal course of study（学校或学院的活动）课外的, 课程以外的：
extra-curricular activities include sports, drama, music, chess, and gym clubs.
课外活动包括体育、戏剧、音乐、国际象棋以及体操等俱乐部。
1.1
- often humorous outside the normal routine, especially that provided by a job or marriage〈常幽默〉例行公事以外的; 婚外的; 业余的：
Harriet's extra-curricular sweetheart.
哈丽特的业余情人。
派生词