infectious

• Qualifie une maladie qui peut se transmettre d'une personne à une autre, ou un enthousiasme, une énergie, qui se communique facilement à autrui.

Describes a disease that can be transmitted from one person to another.

1. Capable of spreading diseaseB1formalmedical

   Able to be transmitted from one person or organism to another, typically through the air, contact, or bodily fluids.

   infectieux

   • The flu is highly infectious and spreads quickly in crowded places.
   • Patients with infectious diseases are often isolated.
   • Washing hands helps prevent the spread of infectious germs.

   Synonymescatchingcommunicablecontagiousepidemicpestilentspreadingtransmissibletransmittablevirulent

   Antonymesnoncontagiousnoninfectious

2. Spreading quickly or easilyB2informal

   Used to describe emotions, laughter, or enthusiasm that spreads rapidly to others.

   Contagieux

   • Her infectious laughter filled the room.
   • His enthusiasm for the project was infectious.
   • The team's positive energy was infectious and motivated everyone.

   Synonymescatchingcommunicablecontagiousspreadingtransmissibleviral

   Antonymescontainedsuppressed