adjective
also extracurriculum |ekstrə+
Etymology: extra- + curricular or curriculum
1. : outside a regular curriculum : not falling within the scope of a regular curriculum ; specifically : of or relating to officially or semiofficially approved and usually organized student activities (as athletics, dramatics, or publication of a school newspaper) connected with the students' school and usually carrying no academic credit
2.
a. : outside the regular duties of one's job or profession ; especially : outside and in pleasant contrast to such duties
reading detective stories as an extracurricular pastime
b. : outside and in direct opposition to or violation of the conventionally established limits or rights of one's position
the extracurricular activities of a philandering husband