All
Entire, Whole
adverb, noun
If you take all parts and put them together, you have all things. The entire collection. It is whole.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
全部食べる
to eat all of it
全部やる
to do everything
全部見る
to look at everything
リンゴを全部買うつもりです。
I'm going to buy all the apples.
全部の科目のテストで良いスコアでした。
I got good test scores in all subjects.
私のベーコンクッキー全部食べたのは一体だれ！？
Who the hell ate all my bacon cookies?!