Synonym Nuance VS
How to say "Reason" in Japanese
Both words can translate to "reason", but which should you choose?
Japanese Option A
理由
りゆう (riyū)
N4 / CEFR Syllabus
VS
Japanese Option B
理
ことわり
C2PLUS / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "reason" into Japanese, you must choose carefully between 理由 and 理.
In Japanese, 理由 (りゆう (riyū)) is typically associated with "reason, motive" (Syllabus Level: N4) and represents A noun referring to the cause or explanation for something. Often used with なぜ.
On the other hand, 理 (ことわり) maps to "reason; principle; logic; truth (classical usage)" (Syllabus Level: C2PLUS) and represents Essential structural term in CEFR C2PLUS vocabulary syllabus.. A literal translation of "reason" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "理由"
遅刻した理由を教えてください。
Please tell me the reason for being late.
Bilingual Context for "理"
私は理に興味があります。
I am interested in reason; principle; logic; truth (classical usage).
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "遅刻した ＿＿＿ を教えてください。" (Meaning: "Please tell me the reason for being late.")
🎉 Correct Answer!
Remember: "理由" fits here because it means "reason, motive" in the context of: "Please tell me the reason for being late.". "理" represents "reason; principle; logic; truth (classical usage)".