〜一方だ (~ippou da) — keeps on -ing
Going one way without stopping — usually a worry.
Formula (सूत्र ढाँचा)
Grammar rule (व्याकरण नियम र परिभाषा)
Meaning
- 「〜一方だ」says something keeps moving in one direction: 「物価は上がる一方だ」= prices just keep on rising.
- It is mostly used for bad trends and carries worry.
How to attach
A verb of change comes first (上がる, 下がる, 増える, 減る, 悪くなる).
Versus what you know
- N3It means the same as 「〜ばかりだ」, but 一方だ is more written and formal.
- N3Do not confuse it with 「〜一方(で)」(on the other hand) — that shows two sides, this shows one direction.
Examples (उदाहरणहरू)
物価は上がる一方だ。
ぶっかはあがるいっぽうだ。
Prices just keep on rising.
How it is built (कसरी बन्यो) 上がる is a verb of change → attach 一方だ straight to it → it means 'in one direction, without stopping'.
この町の人口は減る一方です。
このまちのじんこうはへるいっぽうです。
This town's population just keeps falling.
How it is built (कसरी बन्यो) 減る is a verb of change → attach 一方です (the polite form) → it shows a worrying trend.
働いても、借金は増える一方だった。
はたらいても、しゃっきんはふえるいっぽうだった。
Even though I worked, the debt just kept growing.
How it is built (कसरी बन्यो) 増える is a verb of change → attach 一方だった (past tense).
Knowledge check (मिनी ज्ञान जाँच)
「病気は悪くなる＿。」— which says "keeps on"?
💡 Hint: One direction only.
Verb of change + 一方だ.
What kind of verb comes first?
💡 Hint: Like 上がる, 減る.
Verbs of change like rise, fall, worsen.
How does it differ from 「〜一方(で)」?
💡 Hint: One shows two sides.
一方だ = one direction; 一方で = on the other hand.
Your score: /3