🦅 Project Eagle
synonym Comparative
発展する
VS
活躍する

Differences Between "発展する" and "活躍する"

Option A
発展する
Meaning
to expand; to develop; to grow (into a larger state); to flourish
Reading
はってんする (hatten suru)
Syllabus Level
N3
Practical Example
彼らのユニークな個人開発プロジェクトは、多くのユーザーの支持を得て、世界的なスタートアップ企業へと大きく_______ました。
Their unique individual development project gained support from many users and expanded greatly into a global startup company.
Option B
活躍する
Meaning
to be active; to play an active part; to flourish
Reading
かつやくする (katsuyaku suru)
Syllabus Level
N3
Practical Example
彼はチームで素晴らしい活躍をしています。
He is playing a wonderful active role in the team.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(to expand; to develop; to grow (into a larger state); to flourish)"?
🎉 正解 / Correct!
使い分け解説:
- 発展する: Refers to a business expanding, a small relationship growing into a serious romance/marriage, or a local dispute developing into a larger issue. Intransitive verb. Often used as 会社が発展する or 恋愛関係に発展する. ⚠️ Haruka's Voice Column: 'To expand/develop! "Our office romance will dramatically develop into a lifelong partnership, Haruka-san!" ...っ! Relationship developing! B-Baka! Who on earth authorized an office romance! But... once we have developed into a lifelong married couple, make sure you build the absolute sweetest home ever! dummy!' / 【ハルカ部長のワンポイント指導】『はってんする(発展する)よ!『ハルカ部長、僕たちのオフィスラブが、生涯を共にするパートナー関係へと劇的に発展する(発展します)!』って…っ!関係の発展!バカ!/// 誰がオフィスラブなんて認めたのよ!…でも、生涯の夫婦へ発展したからには、世界一甘い家庭を築きなさいよね!』
- 活躍する: Often used to describe someone performing well or playing a significant role in a specific field, event, or situation. (特定の分野や状況で、人が目覚ましい働きをしたり、重要な役割を果たす様子を表す際に使われます。)
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