🦅 Project Eagle
Synonym Nuance VS

How to say "Main" in Japanese

Both words can translate to "main", but which should you choose?

Japanese Option A

主要な

しゅような (shuyōna)
N3 / CEFR Syllabus
VS
Japanese Option B

骨子

こっし (kosshi)
N1 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "main" into Japanese, you must choose carefully between 主要な and 骨子. In Japanese, 主要な (しゅような (shuyōna)) is typically associated with "main, principal, chief, major" (Syllabus Level: N3) and represents Used as a 'na'-adjective to describe something as important, central, or fundamental among others. Often translates to 'main' or 'major'.. On the other hand, 骨子 (こっし (kosshi)) maps to "main points, gist, outline, backbone, fundamental principles" (Syllabus Level: N1) and represents Refers to the essential core or fundamental structure of an argument, plan, or document. It represents the most important parts without the detailed explanations.. A literal translation of "main" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "主要な"
これは今日の会議の主要な議題です。
This is the main topic of today's meeting.
Bilingual Context for "骨子"
報告書の骨子をまとめた。
I summarized the main points of the report.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "これは今日の会議の ___ 議題です。" (Meaning: "This is the main topic of today's meeting.")
🎉 Correct Answer!

Remember: "主要な" fits here because it means "main, principal, chief, major" in the context of: "This is the main topic of today's meeting.". "骨子" represents "main points, gist, outline, backbone, fundamental principles".

💡 Practice with AI! Live

Don't just read. Practice speaking this grammar with our interactive AI coach for free!

Try AI Speaking 👉