Extra Vocabulary いつの間まに (itsunomani) when Extra Pitch -1 AgainHardGoodEasy Done Flashcards Track every word you learnSign up free Hide answers Meaning いつの間に (いつのまに, itsunomani) is a bonus vocabulary word meaning “when”. Kanji in this word 間 interval Example sentences 2 彼かれはいつの 間まにいなくなったの? When did he leave? 何時の間にか暗くなった。 It became dark before I knew it. ← Previous行き止まり All Extra vocabulary Next →付け足す