大部 たいぶ Also written だいぶ Meanings の-adjective lengthy (of a book, etc.); voluminous Antonym: 小部 (しょうぶ). Noun, Adverb most (e.g. most part); greater; fairly; a good deal; much Kanji 大 big. Read as タイ. 部 part. Read as ブ. Words containing 大部 膨大部 (ぼうだいぶ) ampulla Word lists JLPT N1 Jinuma: Japanese Dictionary · Word lists