～一方だ JLPT N2

〜ippou da

Expresses that a situation or condition is continuing to increase or decrease in one direction.

Formation

Verb-dictionary form + 一方だ

Explanation

The ～一方だ grammar point is used when something is trending in a single direction over time, often increasing or worsening. It emphasizes that the tendency keeps going in one direction.

Example sentences

世界の人口は増える一方だ。

The world's population continues to increase.

Sekai no jinkou wa fueru ippou da.
この町の治安は悪化する一方だ。

Public safety in this town is getting worse and worse.

Kono machi no chian wa akka suru ippou da.
僕の日本語は上達する一方だ。

My Japanese keeps improving.

Boku no nihongo wa joutatsu suru ippou da.
夏になると、暑さが厳しくなる一方だ。

As summer arrives, it just keeps getting hotter.

Natsu ni naru to, atsusa ga kibishiku naru ippou da.