I have this feeling that 若い大人 is too much of a direct translation and kind of unnatural but I have no idea.

2 Answers 2


How about 「[若年]{じゃくねん}[成人]{せいじん}」, though this sounds a bit more literary.

According to Wikipedia, it looks like 「ヤングアダルト」 is also used, but I think it's usually used in the context of literary genres.

I think you could also use [青年]{せいねん}, depending on the context.

  • I went for 大人になりつつある人 because it fit my context best but yeah there's no mistake going with ヤングアダルト!
    – galki
    Feb 19, 2017 at 6:03
  • @galki What context are you using it in? And, about how old would "young adult" usually be?
    – chocolate
    Feb 19, 2017 at 8:21
  • 「赤ちゃんは話そうとする。子供は分かろうとする。そして大人になりつつある人は精神的に成長しようとする。」って文脈。今回は大人と区別したかったです。年は18-25ぐらいですね。
    – galki
    Feb 19, 2017 at 8:39
  • 3
    @galki そういう感じでしたら、「青年」がいいと思います。「青年」は、幅もありますが、だいたいこんな感じみたいです。ja.wikipedia.org/wiki/%E9%9D%92%E5%B9%B4 / detail.chiebukuro.yahoo.co.jp/qa/question_detail/q1324533408 / dictionary.goo.ne.jp/jn/122486/meaning/m0u/…
    – chocolate
    Feb 19, 2017 at 8:58
  • なるほど!ありがとうございます。
    – galki
    Feb 19, 2017 at 9:32

Well, if you don't want to use 若い大人... you can also use the following:

[男子]{だんし}[大人]{おとな}, [少年]{しょうねん}[大人]{おとな}, [青年]{せいねん}[大人]{おとな} which all means young adult man/boy.

[少女]{しょうじょ}[成人]{せいじん} which means young adult woman/girl.

I hope this help answer your question. (^^)

  • 2
    None of the words you suggested is listed in the Balanced Corpus of Contemporary Written Japanese (containing about 100m words). Even rare words will usually have several hits. There doesn't seem to be any evidence that these words are actually used...
    – Earthliŋ
    Feb 19, 2017 at 10:09
  • 2
    they're combining two words into one so it would make sense that you wouldn't see them if you just copy pasted them into the corpus
    – frei
    Feb 20, 2017 at 2:22
  • @frei I saw that they're combining two words into one. But still the question remains: are they actually used in this combination or not? The data suggests not. This answer, however, suggests to use them...
    – Earthliŋ
    Feb 21, 2017 at 2:33
  • you're right, and as you say a brief search suggests they're not used at all, so no idea how this poster arrived at this answer
    – frei
    Feb 21, 2017 at 3:41

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