Synonym Nuance VS
How to say "Principle" in Japanese
Both words can translate to "principle", but which should you choose?
Japanese Option A
原則
げんそく (gensoku)
N3 / CEFR Syllabus
VS
Japanese Option B
原理
げんり (genri)
N2 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "principle" into Japanese, you must choose carefully between 原則 and 原理.
In Japanese, 原則 (げんそく (gensoku)) is typically associated with "principle; general rule; fundamental law" (Syllabus Level: N3) and represents Refers to a principle, general rule, or fundamental law that guides behaviors or theoretical systems. Often used as 原則として or 基本原則. ⚠️ Haruka's Voice Column: 'General rule! "In principle, cheating is punishable by death!" ...っ, T-That is the absolute general rule in my house! Don't you dare look at another woman!' / 【ハルカ部長のワンポイント指導】『げんそく（原則）よ！『原則、浮気は死刑とする！』って…っ, 私の家の絶対の原則なんだからね！他の女を1ミリでも見たら、ただじゃおかないから！』.
On the other hand, 原理 (げんり (genri)) maps to "principle, theory, fundamental law" (Syllabus Level: N2) and represents Refers to a fundamental truth or proposition that serves as the foundation for a system of belief or behavior, or for a chain of reasoning. あるシステムや思考の根底にある、基本的な真理や法則を指します。. A literal translation of "principle" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "原則"
私たちのオフィスでは、環境保護の_______に基づいて、紙の資料をできる限り削減しデジタル化を進めています。
In our office, based on the principle of environmental protection, we are reducing paper documents as much as possible and proceeding with digitalization.
Bilingual Context for "原理"
この機械は簡単な原理で動いている。
This machine operates on a simple principle.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "私たちのオフィスでは、環境保護の_______に基づいて、紙の資料をできる限り削減しデジタル化を進めています。" (Meaning: "In our office, based on the principle of environmental protection, we are reducing paper documents as much as possible and proceeding with digitalization.")
🎉 Correct Answer!
Remember: "原則" fits here because it means "principle; general rule; fundamental law" in the context of: "In our office, based on the principle of environmental protection, we are reducing paper documents as much as possible and proceeding with digitalization.". "原理" represents "principle, theory, fundamental law".