Perfectly round; a complete circle in shape.
真ん丸の月が夜空に輝いていた。
A perfectly round moon was shining in the night sky.
テーブルの上には真ん丸のケーキが置かれていた。
On the table there was a perfectly round cake.
赤ちゃんのほっぺが真ん丸でとても可愛い。
The baby's cheeks are perfectly round and very cute.
Used to describe something round and cute; an affectionate, childlike expression often used by women and children.
猫が丸まって寝ていて、真ん丸で抱きしめたくなる。
The cat curled up and looked so round and cute that I wanted to hug it.
彼女は真ん丸の目で驚いた表情をした。
She looked surprised with wide, round eyes.