Plump; round; chubby — describing something full or well-rounded in shape, often used for people or animals.
赤ちゃんが丸々太って元気そうだ。
The baby is plump and looks healthy.
冬の間に猫が丸々と太ってしまった。
The cat got quite chubby over the winter.
丸々したリンゴがたくさん並んでいる。
Lots of round, plump apples are on display.
Entirely; completely; wholly — used to indicate the whole amount, duration, or extent.
彼は丸々一日中寝ていた。
He slept for the whole day.
その仕事を丸々任せても大丈夫ですか？
Is it okay to leave that entire job to you?
請求書に丸々30万円と書かれていた。
The invoice said a full 300,000 yen.