だから

だから
conjunction
therefore, so
informalgrammatical
See also: ですから (polite form)
1. therefore, so, that's why
A conjunction indicating cause and effect. Casual form of ですから.
雨(あめ)が降(ふ)っています。だから、傘(かさ)を持(も)っていきます。
It's raining. So, I'll take an umbrella.
忙(いそが)しいです。だから、行(い)けません。
I'm busy. That's why I can't go.
だから言(い)ったでしょう。
That's why I told you. / I told you so.
Common expression
明日(あした)は休(やす)みです。だから、今日(きょう)は遅(おそ)くまで起(お)きていてもいいです。
Tomorrow is a holiday. So it's OK to stay up late today.
この店(みせ)は安(やす)くておいしいです。だから、いつも人(ひと)がたくさんいます。私(わたし)も週(しゅう)に一(いっ)回(かい)は来(き)ています。
This restaurant is cheap and delicious. That's why there are always lots of people. I come here at least once a week too.

だから is a causal conjunction meaning 'therefore' or 'so,' connecting a reason to its result.

Formality levels

Common patterns

  • [Sentence A]。だから、[Sentence B]: A happened. Therefore, B.
  • だから言(い)ったでしょう: I told you so (expresses frustration)
  • だからこそ: precisely because of that

Position in sentence

Usually at the beginning of a sentence or clause.

Similar words

  • だから: shows consequence (so/therefore)
  • でも: shows contrast (but/however)

Related Words

Compare: でも (but/however)
Compare: したがって (therefore (formal))
Related: ほら (look, see, you know (attention-getter))
Compare: そのため (therefore)
Compare: そんなわけで (so for that reason, that's why)
Compare: 因(よ)って (therefore)
Compare: だもん (because)
Compare: というわけで (so)
Compare: なので (so)
basic
Added 2026.1.7 21:59 · Revised 2026.9.2 12:02
00500/00924_dakara