nonmatriculated

adjective

non·​ma·​tric·​u·​lat·​ed ˌnän-mə-ˈtri-kyə-ˌlā-təd 

: not fully enrolled as a member of a college or university : not matriculated

nonmatriculated students who are not eligible for a degree

In the summer term of 1937, enrollment reached an all-time high with fifty-eight full-time matriculated and eighty-three nonmatriculated (part-time) students.

—Herbert Arthur Strauss

Word History

First Known Use

1793, in the meaning defined above