N373/219

わけだ

Verb (plain) + わけだVerb (past) + わけだい-adjective (plain) + わけだな-adjective + な + わけだNoun + の + わけだ

Meanings

  • For that reason
  • No wonder
  • As you'd expect
  • Naturally
  • Thus
  • This is why

About this pattern

Explanation

わけだ is used to present a conclusion or deduction based on preceding evidence or reasoning. It signals that what follows is a natural result, explanation, or justification of what was stated or observed. It often appears after listing facts or observations, and it can convey a sense of inevitability or strong reasoning behind the conclusion.

Learn in context

Example sentences

雨が降っている。道が渋滞している。今日は家にいるほうがいいわけだ。

It's raining and the roads are congested, so it’s better to stay home today.

彼は毎日練習している。成績がいい。やはり彼は上手くなったわけだ。

He practices every day and his grades are good. He has obviously become skilled.

この道は工事中だ。車が全然進まない。だから今日は時間がかかるわけだ。

This road is under construction and traffic moves slowly. So it takes longer today.

彼女は日本に三年も住んでいる。日本語が自然に話せる。だから彼女は日本語が得意なわけだ。

She has lived in Japan for three years, so she can speak Japanese naturally. Therefore, her Japanese is proficient.