Synonym Nuance VS
How to say "Thin" in Japanese
Both words can translate to "thin", but which should you choose?
Japanese Option A
細い
ほそい (hosoi)
N4 / 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 細い and 希薄.
In Japanese, 細い (ほそい (hosoi)) is typically associated with "thin, slender, narrow" (Syllabus Level: N4) and represents Used to describe the thinness or narrowness of objects.
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 "細い"
彼女は指が細くてきれいです。
She has beautiful, slender fingers.
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: "彼女は指が細くてきれいです。" (Meaning: "She has beautiful, slender fingers.")
🎉 Correct Answer!
Remember: "細い" fits here because it means "thin, slender, narrow" in the context of: "She has beautiful, slender fingers.". "希薄" represents "thin, dilute, rarefied, weak (of atmosphere, interest, etc.)".