extracurricular
adjective /ˌekstrəkəˈrɪkjələ(r)/
/ˌekstrəkəˈrɪkjələr/
[usually before noun]- not part of the usual course of work or studies at a school or college
- She's involved in many extracurricular activities.
Oxford Collocations DictionaryExtra-curricular is used with these nouns:- activity