Definitions

1. noun

A person who is younger than a junior but older than a subteen, often used to refer to a person in their early teens or preteen years.

“The subjunior at the school was struggling in math class.”

2. adjective

Describing something that is related to or characteristic of someone who is younger than a junior but older than a subteen.

“The subjunior role in the play was a challenging part to portray.”