infectious

IPA: ɪnfˈɛkʃʌs

(pathology, of an illness) Caused by an agent that enters the host's body (such as a bacterium, virus, parasite, or prion); often, also, transmitted among hosts via any of various routes (for example, contact, droplet-borne, airborne, waterborne, foodborne, fomite-borne, or bloodborne).
(pathology, of a person) Able to infect others.
(of feelings and behaviour) Spreading quickly from one person to another.
(informal) Memorable and invoking excitement or interest.

Examples of "infectious" in Sentences

The result is simply infectious.
The illness was grave and infectious.
Antibodies in the antiserum bind the infectious agent or antigen.
The university owns the vaccine and infectious disease organization.
The farthest fringe denies the existence of all infectious diseases.
It is still one of the most common major infectious diseases in the world.
The reservoir for a disease is the site where the infectious agent survives.
Thus, the threat of the bird flu and other infectious diseases was prevented.
He was one of the first recorded experts in the infectious diseases of animals.
UN agencies suspended work on a nationwide campaign to inoculate children against the highly infectious disease.