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Synonym Nuance VS

How to say "Rapidly" in Japanese

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

Japanese Option A

どんどん

どんどん (don-don)
N3 / CEFR Syllabus
VS
Japanese Option B

ぐんぐん

ぐんぐん (gungun)
N2 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "rapidly" into Japanese, you must choose carefully between どんどん and ぐんぐん. In Japanese, どんどん (どんどん (don-don)) is typically associated with "rapidly; steadily; quickly; more and more; one after another" (Syllabus Level: N3) and represents Expresses something progressing quickly, increasing steadily, or happening one after another.. On the other hand, ぐんぐん (ぐんぐん (gungun)) maps to "rapidly, steadily, quickly (onomatopoeia)" (Syllabus Level: N2) and represents An onomatopoeic word expressing rapid, continuous, and vigorous growth or progress. Often used for physical growth. A literal translation of "rapidly" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "どんどん"
彼はどんどん日本語が上手になっている。
He is getting better and better at Japanese.
Bilingual Context for "ぐんぐん"
植えたばかりの苗が、ぐんぐん背を伸ばしている。
The freshly planted seedling is rapidly growing taller.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "彼は ___ 日本語が上手になっている。" (Meaning: "He is getting better and better at Japanese.")
🎉 Correct Answer!

Remember: "どんどん" fits here because it means "rapidly; steadily; quickly; more and more; one after another" in the context of: "He is getting better and better at Japanese.". "ぐんぐん" represents "rapidly, steadily, quickly (onomatopoeia)".

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