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Even, but because: 〜だって

Noun + だって / だって、〜もん

Noun + だって: “even X, X too” (だれだって = everyone). だって at the start: “but…, because…”, a casual justification, often with 〜もん.

In short

だって has two main uses in casual speech. After a noun, it means “even” or “too” (子どもだって知っている, “even a child knows that”): a more expressive でも or も. At the start of a sentence, it introduces a justification: “but…, well, because…” (だって、時間がなかったんだもん). The tone is casual, sometimes childish.

  • そんなこと、子どもだって知っているよ。そんなこと、こどもだってしっているよ。Even a child knows that.
  • だれだって間違えることはある。だれだってまちがえることはある。Anyone can make mistakes.
  • 「どうして宿題をしなかったの?」「だって、時間がなかったんだもん。」「どうしてしゅくだいをしなかったの?」「だって、じかんがなかったんだもん。」“Why didn't you do your homework?” “But I didn't have time!”

The basics

だって goes either after a noun or at the start of a sentence, and these two positions give two different meanings.

After a noun: “even X”, “X too”. You're insisting: if even X does it, then all the more so the others. At the start of a sentence: “but…, because…”, to defend yourself when you're being told off.

The sentence, piece by piece
そんなことsomething like that
子どもだってeven a child
知っているknow
よ(assertion)

Even a child knows that.

  • noun
  • verb
  • particle
  • 私だって行きたいよ。わたしだっていきたいよ。I want to go too, you know!

“Even”, “too”: Noun + だって

It's a spoken equivalent of でも or も, with more feeling. After a question word, it gives “anyone, any time, anything”.

FormEquivalentMeaning
子どもだって子どもでもeven a child
私だって私もme too (I'll have you know)
だれだってだれでもanyone, everyone
いつだっていつでもany time, always
何だって何でもanything, everything
  • 母はいつだって私の味方だった。はははいつだってわたしのみかただった。My mother was always on my side.
  • 京都なら、何だっておいしい。きょうとなら、なんだっておいしい。In Kyoto, everything tastes good.

“But…, because…”: だって at the start

At the start of a reply, だって announces an excuse, often in response to a reproach. The sentence typically ends with 〜もん, 〜もの or 〜んだ, which give a sulky, almost childish tone (you'll see もん again in the lesson on 〜もの).

  • 「なんで食べないの?」「だって、おなかいっぱいなんだもん。」「なんでたべないの?」「だって、おなかいっぱいなんだもん。」“Why aren't you eating?” “Because I'm full!”
  • 「また遅刻?」「だって、電車が止まったんだよ。」「またちこく?」「だって、でんしゃがとまったんだよ。」“Late again?” “But the train stopped!”

A third だって: hearsay

Don't confuse these two uses with the hearsay だって, which comes from だ + って: 明日は雨だって (“I hear it'll rain tomorrow”). There, だって comes at the end of the sentence, after a noun. And in every case, it's casual speech: with a superior, say でも, も, or explain with 〜ので.

  • 明日は雨だって。あしたはあめだって。I hear it's going to rain tomorrow.

Common mistakes

  • Answering a superior with だって to justify yourself: it sounds like a sulking child. Explain with 〜ので instead.
  • Mixing up だって “even” (after a noun, mid-sentence) and だって “I hear” (at the end of a sentence).
  • Leaving out the もん or んだ ending after a sentence-initial だって: the justification sounds incomplete.

7 exercises on this point

Particles to choose, sentences to put back in order, translations: marked straight away, then reviewed at the right time. This JLPT N3 point is on the Keihan Line (Media and communication) of the Kyoto lines.