GrammarN32 min read2026-02-17

〜一方(で)、…

Connects contrasting or simultaneous actions/states across different subjects or aspects

Meaning

~一方(で) is used to present two related but contrasting situations or to compare different aspects of the same subject. It can connect two clauses within a single sentence showing parallel or opposing ideas, or be used as a sentence-opener to shift focus to a contrasting topic. The pattern emphasizes that both situations exist or occur simultaneously.

Formation

Part of speechFormation
动词普通形一方(で)、…
い形容词一方(で)、…
な形容词な/である + 一方(で)、…
名词の/である + 一方(で)、…

Examples

  1. 山田さんは大学の教授である一方、市の生物研究所の所長でもあります。
    Yamada is a university professor, while at the same time he is also the director of the city's biological research institute.

  2. 姉は活動的でスポーツをよくする一方、妹は静かで読書が好きだ。
    The older sister is active and often plays sports, whereas the younger sister is quiet and loves reading.

  3. 彼は病院に勤める一方、地域でボランティア活動にも参加している。
    He works at a hospital, while also participating in volunteer activities in the community.

  4. マイクさんは勉強に熱心な一方で、友達とのつき合いも大切にしているようだ。
    Mike is enthusiastic about studying, and at the same time he also values his friendships with others.

  5. 消費税が大幅に増える一方で、給料は全然上がらないんだから、これからは生活費をもっと節約するしかないなあ。
    While consumption tax increases significantly, salaries don't rise at all, so from now on we have no choice but to save more on living expenses.

Summary

  • Use ~一方(で) to present two contrasting facts or situations about the same subject or different subjects
  • Can connect clauses within one sentence or appear at the beginning of a new sentence after a period
  • Works with verbs, i-adjectives, na-adjectives, and nouns by adding appropriate particles (な, の, である)

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