junior

Used of the third or next to final year in United States high school or college.

“the junior class”

Including or intended for youthful persons.

“a junior sports league”

“junior fashions”

Younger; lower in rank; shorter in length of tenure or service.

A son who has the same first name as his father.

A third-year undergraduate.

Term of address for a disrespectful and annoying male.

“look here, junior, it's none of your business”

The younger of two persons.

“she is two years my junior”