Dictionary/内向ないこうNaikou内向 (Naikou) is a Japanese noun meaning “introversion”.Meaningsnoun, suru verb, intransitive verbintroversionKanji in 内向内inside向yonderRelated words内inside内within ...向かうto face区内in a ward内科internal medicine向こうopposite side内容contents向くto turn toward案内guidance内緒secrecyその内before very long日向sunny place