noun
old school; old style; conservative people
Refers to people, ways, or things that are traditional, old-fashioned, or not keeping up with current trends. Often used in contrast with 新波 (しんぱ, 'new wave').
彼は旧波の考え方を持っている。
He has an old-school way of thinking.
この店の雰囲気は旧波だ。
The atmosphere of this shop is old style.