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Synonym Nuance VS

How to say "Complicated" in Japanese

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

Japanese Option A

複雑

ふくざつ (fukuzatsu)
N4 / CEFR Syllabus
VS
Japanese Option B

ややこしい

ややこしい (yayakoshii)
C1 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "complicated" into Japanese, you must choose carefully between 複雑 and ややこしい. In Japanese, 複雑 (ふくざつ (fukuzatsu)) is typically associated with "complicated, complex" (Syllabus Level: N4) and represents A な-adjective. Describes things that are intricate, difficult to understand, or not straightforward. Opposite of 簡単. On the other hand, ややこしい (ややこしい (yayakoshii)) maps to "complicated, complex" (Syllabus Level: C1) and represents Essential structural term in CEFR C1 vocabulary syllabus.. A literal translation of "complicated" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "複雑"
この説明書は複雑で分かりにくいです。
This instruction manual is complicated and hard to understand.
Bilingual Context for "ややこしい"
これはとてもややこしいですね。
This is very complicated, complex, isn't it?

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "この説明書は ___ で分かりにくいです。" (Meaning: "This instruction manual is complicated and hard to understand.")
🎉 Correct Answer!

Remember: "複雑" fits here because it means "complicated, complex" in the context of: "This instruction manual is complicated and hard to understand.". "ややこしい" represents "complicated, complex".

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