むだぼねお 無駄骨折り LinksSentence search for 無駄骨折りSentence search for むだぼねおりKanji details for 無, 駄, 骨 and 折Edit in JMdict Noun, Suru verb, Intransitive verb1. laboring in vain; wasted effort; vain effortsSee also 無駄骨 Discussions Log in to talk about this word.