むだん 無段 LinksSentence search for 無段Sentence search for むだんKanji details for 無 and 段Edit in JMdict Noun which may take the genitive case particle 'no', Noun1. having no dan rank (in martial arts, go, etc.); unrankedNoun which may take the genitive case particle 'no'2. stepless; continuous Discussions Log in to talk about this word.