Na-adjective (keiyodoshi), Noun
minor; small; unimportant; obscure
まだまだマイナーだが、遠からず近隣に出荷されるだろう。It's still minor league but in the not so distant future they'll be coming to a place near you. Noun
minor (key, scale, etc.)
Music
the minor leagues (US baseball)
Abbreviationsee マイナーリーグ