Grammar › Decision & Outcome
わけだ — “that means…, no wonder…”
Draws a logical conclusion from something just said, or explains a reason after the fact
わけだ attaches to a plain-form clause (な for na-adjectives, の for nouns) to state a conclusion that logically follows from a fact already on the table — “so that means…” or, paired with どうりで (no wonder), explains why something makes sense in hindsight. わけではない negates the conclusion, not the fact — “that doesn't necessarily mean…”
How to form it
| Pattern | Example |
|---|---|
| Plain form + わけだ | つまり、彼は嘘をついていたわけだ — So, that means he was lying |
| どうりで〜わけだ | どうりで寒いわけだ、雪が降っている — No wonder it's cold, it's snowing |
| Soft denial | 嫌いなわけではない — It's not that I dislike it |
Example sentences
| Japanese | Reading | Meaning |
|---|---|---|
| 十年間日本に住んでいたんですか。それで日本語が上手なわけですね。 | じゅうねんかんにほんにすんでいたんですか。それでにほんごがじょうずなわけですね。 juunenkannihonnisundeitandesuka。soredenihongogajouzunawakedesune。 | You lived in Japan for ten years? No wonder your Japanese is so good. |
| どうりで電気がついていないわけだ、みんな帰ったんだ。 | どうりででんきがついていないわけだ、みんなかえったんだ。 douridedenkigatsuiteinaiwakeda、minnakaettanda。 | No wonder the lights are off — everyone's gone home. |
| 高いからといって、いつもおいしいわけではない。 | たかいからといって、いつもおいしいわけではない。 takaikaratoitte、itsumooishiiwakedehanai。 | Just because it's expensive doesn't mean it's always delicious. |
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Watch out
わけではない is a partial denial (“that's not necessarily so”), very different from わけがない (there's no way that's so, a flat denial) — the two are easy to swap by accident but land very differently.