(まるまる)

まるまる
adverb
completely, entirely; plump
quantitydescriptive
1. completely, entirely, wholly
Indicates that something is used, consumed, or spent in its entirety without anything remaining or being left out.
I used up an entire day off.
ボーナス丸々(まるまる)(のこ)っている
My entire bonus is still left untouched.
準備(じゅんび)丸々(まるまる)(さん)(げつ)かかった
The preparations took a full three months.
2. plump, round, chubby
Describes something or someone that is round and plump in a way that often suggests good health or abundance.
丸々(まるまる)(ふと)った(ねこ)いる
There is a plump, round cat.
When autumn comes, squirrels get plump and round.
(あか)ちゃん丸々(まるまる)とした(ほお)かわいい
The baby's plump cheeks are cute.

Usage: The two senses of 丸々(まるまる) are distinct in usage.

Sense 1 (completely): Modifies time periods or quantities, emphasizing that the entire amount was used or remains.

Sense 2 (plump): Almost always appears as 丸々(まるまる)(ふと) or 丸々(まるまる)とした, describing healthy roundness. It is generally a positive or neutral description, unlike (ふと)っている alone which can sound blunt.