Vocabulary What does 非~ (ひ~) mean? 非~ (ひ~, hi~) means non-, un- (prefix). Quick factsReadingひ~Romajihi~Level (estimated, JLPT framework)N2 非~ひ~N2 · estimated, JLPT frameworkhi~non-, un- (prefix)Example sentences非公式(ひこうしき)に会(あ)いました。We met unofficially.これは非常(ひじょう)に大切(たいせつ)なことです。This is an extremely important matter.Kanji in this word非non-, un-; wrong