Infectious | Mean of infectious in English Dictionary

/ɪnˈfɛkʃəs/

• capable of causing infection
1. viruses and other infectious agents
• capable of being passed to someone else by germs that enter the body
1. an acute infectious illness
2. a highly infectious disease
• suffering from a disease that can be spread to other people by germs
1. an infectious patient

• capable of being easily spread to other people
1. Their enthusiasm was infectious. [=contagious]
2. She has an infectious grin.
3. infectious laughter