noun, noun-modifying (irregular)
junior; youth category; for children or younger people
English loanword used as a noun or before another noun, especially for youth divisions in sports, child-oriented products, or people in a younger or lower-status category. Context decides whether it means age, size, level, or the English-style name suffix “Jr.”.
彼はジュニアの大会で優勝した。
He won in the junior tournament.
These shoes are designed for junior-age users.
この店はジュニア向けの服が多い。
This store has many clothes for juniors.
彼女はジュニアの部で優勝した。
She won first place in the junior division.
junior bra; training bra
second-generation baby boomer (born 1971–1974)
booster car seat; booster seat
junior team
junior flyweight
Borrowed from English “junior”; written in katakana as a loanword.