🦅 Project Eagle
synonym Comparative
蔓延
VS
罹患

Differences Between "蔓延" and "罹患"

Option A
蔓延
Meaning
spread, prevalence, rampant (of disease, bad habits, rumors)
Reading
まんえん (man'en)
Syllabus Level
N2
Practical Example
デマがSNS上で急速に蔓延している。
Rumors are rapidly spreading on social media.
Option B
罹患
Meaning
contracting a disease, being afflicted with
Reading
りかん (rikan)
Syllabus Level
N1
Practical Example
彼は希少な病気に罹患していると診断された。
He was diagnosed with a rare disease.

Which one to use?

Select the correct Japanese word for this context

Which word fits this context: "(spread, prevalence, rampant (of disease, bad habits, rumors))"?
🎉 正解 / Correct!
使い分け解説:
- 蔓延: Implies something undesirable (e.g., disease, rumors, bad habits, corruption, social problems) spreading widely and often uncontrollably throughout an area or population. It almost always carries a negative connotation. Usually used with 〜する.
- 罹患: Formal term used specifically for contracting an illness or disease. Not typically used for minor ailments. (病気や疾患にかかることを指す専門的な言葉。軽い病気にはあまり使わない。)
🦅

Want to boost your Japanese vocabulary?

Project Eagle automatically tracks and targets your weak words using AI. Practice thousands of operational exams completely for free!