noun, noun or participle which takes 'suru', intransitive verb
Describes deep mental absorption in an activity, work, or thought. Often used with する to mean 'become absorbed'.
彼は読書に没入している。
He is absorbed in reading.
仕事に没入して時
I got so absorbed in work that I lost track of time.
noun, noun or participle which takes 'suru', intransitive verb
Physical sinking or submerging into a substance or environment. Less common than the absorption sense; often replaced by 沈む or 浸かる in everyday speech.
沼に没入した車を引き上げる。
They pull out a car that sank into the swamp.