contagious

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

contagieux

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

:
The flu is highly contagious.
La grippe est très contagieuse.
Measles is a highly contagious viral disease.
La rougeole est une maladie virale très contagieuse.
2.

contagieux

describing an emotion or attitude that spreads quickly to others

:
Her enthusiasm was contagious.
Son enthousiasme était contagieux.
His laughter was so contagious that soon everyone in the room was smiling.
Son rire était si contagieux que bientôt tout le monde dans la pièce souriait.