/ek'streuh keuh rik"yeuh leuhr/ , adj.
1. outside the regular curriculum or program of courses: football, orchestra, and other extracurricular activities.
2. outside one's regular work, responsibilities, or routine.
3. Informal. outside the conventional bounds of propriety or ethics: Does his wife know he has an extracurricular girlfriend?
[ 1920-25; EXTRA- + CURRICULAR ]