1) College boy 2) College man 3) Collegian 4) One still studying 5) Student 6) Undergrad 7) University student 1) Lowerclassman 2) Scholar 3) Underclassman 4) Undergrad 
• (n.) A member of a university or a college who has not taken his first degree; a student in any school who has not completed his course. • (a.) Of or pertaining to an undergraduate, or the body of undergraduates.
First degree, HND or HNC level.
(1) Description of a post-secondary program leading to a bachelor's degree; (2) a student enrolled in such a program.
A student at a four-year college or university who has not yet completed a Bachelor's degree.
Undergraduate typically means someone working towards a first degree such as a BA (Bachelor of Arts) or BSc (Bachelor of Science). This includes HNCs, HNDs and Foundation Studies and Foundation Degrees.
[n] - a university student who has not yet received a first degree
A student undertaking a first degree. Students are referred to as graduates when they have completed their degree.
undergrad noun a university student who has not yet received a first degree
a student in a university or college who has not received a first, esp. a bachelor's, degree.