Vocabulary What does 長~ (なが~) mean? 長~ (なが~, naga~) means long, prolonged (prefix). Quick factsReadingなが~Romajinaga~Level (estimated, JLPT framework)N2 長~なが~N2 · estimated, JLPT frameworknaga~long, prolonged (prefix)Example sentences長話(ながばなし)をしてすみません。Sorry for talking for so long.おばあさんは長生(ながい)きしました。The old woman lived to a ripe old age.Kanji in this word長long; chief, head; eldest