極秘裏 ごくひり Also written 極秘裡 Meanings Noun (in) absolute secrecy; (with) utmost secrecy (usu. adverbially as 〜に) Kanji 極 extreme. Read as ゴク. 秘 secret 裏 behind. Read as リ. Common phrases 極秘裏に進める Jinuma: Japanese Dictionary · Word lists