Synonym Nuance VS
How to say "Spread" in Japanese
Both words can translate to "spread", but which should you choose?
Japanese Option A
蔓延る
はびこる (habikoru)
N1 / CEFR Syllabus
VS
Japanese Option B
瀰漫
びまん (biman)
N1 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "spread" into Japanese, you must choose carefully between 蔓延る and 瀰漫.
In Japanese, 蔓延る (はびこる (habikoru)) is typically associated with "to spread; to thrive; to infest (often in a negative sense)" (Syllabus Level: N1) and represents 雑草が伸びるように、望ましくないもの（悪習、病気、デマなど）が広がる様子を表す。負のニュアンスが強い。Describes undesirable things.
On the other hand, 瀰漫 (びまん (biman)) maps to "to spread, to pervade, to permeate, to diffuse" (Syllabus Level: N1) and represents Often used to describe a gas, smell, light, or atmosphere spreading throughout an area in a widespread, often subtle, manner. It can also be used metaphorically for abstract concepts like anxiety or an idea.. A literal translation of "spread" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "蔓延る"
悪い噂が社内に蔓延っている。
Bad rumors are spreading throughout the company.
Bilingual Context for "瀰漫"
部屋中に甘い香りが瀰漫していた。
A sweet fragrance permeated the entire room.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "悪い噂が社内に蔓延っている。" (Meaning: "Bad rumors are spreading throughout the company.")
🎉 Correct Answer!
Remember: "蔓延る" fits here because it means "to spread; to thrive; to infest (often in a negative sense)" in the context of: "Bad rumors are spreading throughout the company.". "瀰漫" represents "to spread, to pervade, to permeate, to diffuse".