contagious

US /kənˈteɪ.dʒəs/
UK /kənˈteɪ.dʒəs/
"contagious" picture
1.

伝染性の, 感染性の

describing a disease that can be spread from one person or organism to another by direct or indirect contact

:
The flu is highly contagious.
インフルエンザは非常に伝染性が高い。
Measles is a highly contagious viral disease.
はしかは非常に伝染性の高いウイルス性疾患です。
2.

伝染性の, 感染性の

describing an emotion or attitude that spreads quickly to others

:
Her enthusiasm was contagious.
彼女の熱意は伝染性があった。
His laughter was so contagious that soon everyone in the room was smiling.
彼の笑い声はとても伝染性があり、すぐに部屋中の誰もが笑顔になった。