ふんこつさいしん 粉骨砕身 LinksSentence search for 粉骨砕身Sentence search for ふんこつさいしんSentence search for 紛骨砕身Kanji details for 粉, 骨, 砕 and 身Edit in JMdict Noun, Suru verb, Intransitive verb1. making one's best exertionsYojijukugo (four character compound)Other forms紛骨砕身 【ふんこつさいしん】Notes紛骨砕身: Irregular kanji usage. Discussions Log in to talk about this word.