synonym Comparative
発展する
VS
膨らます
Differences Between "発展する" and "膨らます"
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
膨らます
Meaning
to swell, to expand, to inflate (transitive)
Reading
ふくらます (fukuramasu)
Syllabus Level
N2
Practical Example
子供が風船を一生懸命膨らませている。
The child is earnestly inflating the balloon.
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！』
- 膨らます: Transitive verb. Indicates that an agent actively causes something to swell, expand, or inflate. (例: 風船を膨らます, 頬を膨らます)
- 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！』
- 膨らます: Transitive verb. Indicates that an agent actively causes something to swell, expand, or inflate. (例: 風船を膨らます, 頬を膨らます)
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