Synonym Nuance VS
How to say "Thin" in Japanese
Both words can translate to "thin", but which should you choose?
Japanese Option A
薄い
うすい (usui)
N3 / CEFR Syllabus
VS
Japanese Option B
希薄
きはく (kihaku)
N2 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "thin" into Japanese, you must choose carefully between 薄い and 希薄.
In Japanese, 薄い (うすい (usui)) is typically associated with "thin; pale; light (color / taste); weak (probability / connection)" (Syllabus Level: N3) and represents Refers to physical thinness.
On the other hand, 希薄 (きはく (kihaku)) maps to "thin, dilute, rarefied, weak (of atmosphere, interest, etc.)" (Syllabus Level: N2) and represents Often used to describe something that is not dense, weak in concentration, or lacking in presence. A literal translation of "thin" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "薄い"
この最新型のスマートフォンの頑丈なケースは驚くほど_______、ポケットに入れても全くかさばりません。
Sturdy case of this latest smartphone is surprisingly thin, and even if put in the pocket, it does not get bulky at all.
Bilingual Context for "希薄"
山の上では空気が希薄になる。
The air becomes thin on top of the mountain.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "この最新型のスマートフォンの頑丈なケースは驚くほど_______、ポケットに入れても全くかさばりません。" (Meaning: "Sturdy case of this latest smartphone is surprisingly thin, and even if put in the pocket, it does not get bulky at all.")
🎉 Correct Answer!
Remember: "薄い" fits here because it means "thin; pale; light (color / taste); weak (probability / connection)" in the context of: "Sturdy case of this latest smartphone is surprisingly thin, and even if put in the pocket, it does not get bulky at all.". "希薄" represents "thin, dilute, rarefied, weak (of atmosphere, interest, etc.)".