What does 不通 mean?
不通 is a Japanese noun meaning “disruption (of service)” or “being cut off” in English. It is written as 不通 in kanji, ふつう in hiragana, and futsuu in romaji. This word is part of JLPT N3 vocabulary.
Example sentences
大雪で電車が不通になった。
Trains stopped running because of heavy snow.
彼とは音信不通になっている。
I've lost all contact with him.