Definition of "junior"
- adjective
Younger.
Of or pertaining to a third academic year in a four-year high school (eleventh grade) or university.
Low in rank; having a subordinate role, job, or situation.
- noun
A younger person.
A third-year student at a high school or university.
A name suffix used after a son's name when his father has the same name. Abbreviation: Jr.
- Sources