1) 没頭ぼっとう #6,768 Inflections of 没頭 Class Suru verb Stem Inflected ending ✕ Link copied! Common ぼっとう [0] Meaning Shirabe Noun Suru verb Intransitive verb immersing oneself in; being absorbed in; devoting oneself to; giving oneself up entirely to 彼かれはわれを忘わすれて研究けんきゅうに没頭ぼっとうした。 He lost himself in his studies. Kanji 没 ボツ drown, sink, hide 頭 トウ head, counter for large animals Forms 没頭#6,768没頭ぼっとうぼっとうぼっとう