ふせいけい 不整形 LinksSentence search for 不整形Sentence search for ふせいけいSentence search for 不正形Kanji details for 不, 整 and 形Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. irregular shape; irregular formOther forms不正形 【ふせいけい】 Discussions Log in to talk about this word.