This is the 2100th most frequent Japanese word.
夢中
Being engrossed; absorbed; obsessed.
The word '夢中' is used to express someone's deep focus or enthusiasm towards an activity, conveying engagement or fascination.
彼はゲームに夢中になっている。
He is obsessed with the game.
Here, '夢中' is used to describe someone's strong interest or involvement in an ongoing activity, highlighting passion or absorption.
彼女は最近読書に夢中だ。
She has been absorbed in reading recently.
In this sentence, '夢中' illustrates the children's intense enjoyment and dedication to their play, which leads to forgetting external constraints like time.