まんまる Also written まん丸, 真ん丸, 真ん円 Meanings な-adjective, Noun perfect circle (also まん円) cute (esp. by women and children) Example sentences 厳密に言えば、地球はまん丸ではない。Strictly speaking, the earth is not round. まん丸に見えるあのお月さまはね、実は円錐の底面なんだよ。The moon looks so perfectly round. It's actually the base of a cone, you know. 卵は、真ん丸ではなく楕円です。An egg is not round but oval. Jinuma: Japanese Dictionary · Word lists