おんしんふつう 音信不通 LinksSentence search for 音信不通Sentence search for おんしんふつうSentence search for いんしんふつうKanji details for 音, 信, 不 and 通Edit in JMdict Noun1. break in contact; not hearing from; having no communication withYojijukugo (four character compound)Other forms音信不通 【いんしんふつう】 Discussions Log in to talk about this word.