幽邃 [－－]

Jyutping jau1 seoi6
Pinyin yōu suì

Definitions (CC-CEDICT)
  1. profound and unfathomable
Definitions (Wiktionary)
  1. adj, formal
    deep and quiet; profound and unfathomable
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）