Meaning

• A younger person.

  "four years his junior"

• A name suffix used after a son's name when his father has the same name (abbreviations: Jnr., Jr., Jun.).

• A third-year student at a high school or university.

• A junior barrister.

Meaning

• Low in rank; having a subordinate role, job, or situation.

• (often preceded by a possessive adjective or a possessive form of a noun) Younger.

• Belonging to a younger person, or an earlier time of life.

• Of or pertaining to a third academic year in a four-year high school (eleventh grade) or university.