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How to say "Essential" in Japanese

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

Japanese Option A

肝心

かんじん (kanjin)
N3 / CEFR Syllabus
VS
Japanese Option B

本意

ほんい (honni)
C2 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "essential" into Japanese, you must choose carefully between 肝心 and 本意. In Japanese, 肝心 (かんじん (kanjin)) is typically associated with "essential, crucial, vital" (Syllabus Level: N3) and represents A na-adjective meaning something is of utmost importance or indispensable. Often used to emphasize the most important point or element.. On the other hand, 本意 (ほんい (honni)) maps to "essential nature of a poetic theme" (Syllabus Level: C2) and represents Essential structural term in CEFR C2 vocabulary syllabus.. A literal translation of "essential" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "肝心"
健康が一番肝心なことです。
Health is the most essential thing.
Bilingual Context for "本意"
私は本意に興味があります。
I am interested in essential nature of a poetic theme.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "健康が一番 ___ なことです。" (Meaning: "Health is the most essential thing.")
🎉 Correct Answer!

Remember: "肝心" fits here because it means "essential, crucial, vital" in the context of: "Health is the most essential thing.". "本意" represents "essential nature of a poetic theme".

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