大部 たいぶ
taibu

no-Adjective

1. lengthy (of a book, etc.); voluminous

Antonym of 小部
Noun
Adverb

2. most (e.g. most part); greater; fairly; a good deal; much

わたくし仕事 しごとをたいぶためてしまった。
watashiwa shigotō taibu tamete shimatta
I still have a lot of work to do.
Other forms: