幽ゆう冥めい界かいゆうめいかいMeanings1nounhades; realm of the dead; underworldA Buddhist term for the dark world where the dead reside; used in religious, mythological, or literary contexts.幽ゆう冥めい界かいに迷まよい込こんだ魂たましいの話はなしを読よんだ。I read a story about a soul that wandered into the realm of the dead.