一体全体 いったいぜんたい Also written いったい全体 Meanings Adverb ... the heck (e.g. "what the heck?"); ... in the world (e.g. "why in the world?"); ... on earth (e.g. "who on earth?") (emph. form of 一体) Kanji 一 one. Read as イチ. 体 body. Read as タイ. 全 all. Read as ゼン. Jinuma: Japanese Dictionary · Word lists