無分別 むふんべつ Meanings な-adjective, Noun thoughtlessness; indiscretion Kanji 無 without. Read as ム. 分 minute. Read as フン. 別 separate. Read as ベツ. Example sentences 君はじきに無分別な行為を後悔するだろう。You will soon regret your rash conduct. ブレーキのない自転車に乗るなんて君は無分別だ。You must be crazy to ride a bicycle that has no brakes! Jinuma: Japanese Dictionary · Word lists