伝染(でんせん)

でんせん
noun
contagion, infection
1. contagion, infection, transmission
The spreading of disease from one person or organism to another.
伝染(でんせん)病(びょう)に気(き)をつける。
I am careful about infectious diseases.
この病気(びょうき)は人(ひと)から人(ひと)へ伝染(でんせん)する。
This disease is transmitted from person to person.
伝染(でんせん)を防(ふせ)ぐために手(て)を洗(あら)うことが大切(たいせつ)だ。
Washing your hands is important to prevent the spread of infection.
2. spreading (of emotions, behaviors)
The figurative spreading of feelings or behaviors from one person to others.
あくびが伝染(でんせん)した。
The yawn was contagious.
笑(わら)いは伝染(でんせん)する。
Laughter is contagious.
彼女(かのじょ)の不安(ふあん)が周(まわ)りに伝染(でんせん)した。
Her anxiety spread to those around her.

伝染(でんせん) describes the spread of disease or behaviors.

COMMON EXPRESSIONS:

  • 伝染(でんせん)する: to be transmitted, to spread
  • 伝染(でんせん)病(びょう): infectious disease
  • 伝染(でんせん)力(りょく): infectivity
  • 空気(くうき)伝染(でんせん): airborne transmission

RELATED WORDS:

  • 感染(かんせん): infection
  • 蔓延(まんえん): spread, rampancy
  • 流行(りゅうこう): epidemic, trend

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Added 2026.1.14 9:33 · Revised 2026.3.5 10:54
04500/04549_densen