ぼっとう 没頭 Common word Wanikani level 52 LinksSentence search for 没頭Sentence search for ぼっとうKanji details for 没 and 頭Edit in JMdict Noun, Suru verb, Intransitive verb1. immersing oneself in; being absorbed in; devoting oneself to; giving oneself up entirely to Discussions Log in to talk about this word.