大おお一いち番ばんMeaningsNoun1. decisive game; important bout; crucial matchKanji used大large一one番place in a seriesPitch accentおおいちばんComposed of大おおlarge; big; great; major; important; serious; heavy; loud; older; senior; …Prefix一いち番ばんnumber one; first; first place; best; most; game; round; bout; as a test; as an experiment; …Noun