Synonym Nuance VS
How to say "Development" in Japanese
Both words can translate to "development", but which should you choose?
Japanese Option A
開発
かいはつ (kaihatsu)
N3 / CEFR Syllabus
VS
Japanese Option B
発展
はってん (hatten)
N3 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "development" into Japanese, you must choose carefully between 開発 and 発展.
In Japanese, 開発 (かいはつ (kaihatsu)) is typically associated with "development; exploitation" (Syllabus Level: N3) and represents Refers to developing new technologies, products, software, or land resources. Can be used with する as a verb.
On the other hand, 発展 (はってん (hatten)) maps to "development; expansion; growth; escalation" (Syllabus Level: N3) and represents Refers to development, expansion, growth, or escalation of scale or state. Often used as 経済の発展 or 関係の発展. ⚠️ Haruka's Voice Column: 'Development! "I want our relationship to develop into a marriage!" ...っ, T-To demand such an advanced development! B-But... I permit that development, so prepare the ring!' / 【ハルカ部長のワンポイント指導】『はってん（発展）！『僕たちの関係を結婚へと発展させたいです！』って…っ, そんな経歴的発展を要求するなんて！…でも特別に許可するわ！今すぐ指輪を用意しなさい！』. A literal translation of "development" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "開発"
新しいソフトウェアの開発に成功しました。
We succeeded in the development of new software.
Bilingual Context for "発展"
地域の観光資源を活かした町おこしイベントが功を奏し、地元の商業が劇的に_______していきました。
The town rejuvenation event utilizing regional tourism resources bore fruit, and the local commerce developed dramatically.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "新しいソフトウェアの ＿＿＿ に成功しました。" (Meaning: "We succeeded in the development of new software.")
🎉 Correct Answer!
Remember: "開発" fits here because it means "development; exploitation" in the context of: "We succeeded in the development of new software.". "発展" represents "development; expansion; growth; escalation".