ふんとう 奮闘 Common word JLPT N1 LinksSentence search for 奮闘Sentence search for ふんとうKanji details for 奮 and 闘Edit in JMdict Noun, Suru verb, Intransitive verb1. strenuous effort; hard struggle; working hardNoun, Suru verb, Intransitive verb2. hard fighting; fierce fighting Discussions Log in to talk about this word.