- likely to cause infection
- designating a disease that can be communicated by infection (sense )
- tending to spread or to affect others; catching: an infectious laugh
- Obs. infected with disease
- If you have a cute and enthusiastic laugh that always gets other people to laugh along with you, this is an example of a time when you would be said to have an infectious laugh.
- The swine flu is an example of an infectious disease.
The definition of infectious is something that is likely to spread in a rapid manner, such as a contagious disease that spreads easily from person to person.
- Capable of causing infection: an infectious microorganism.
- Capable of being transmitted by infection: an infectious disease.
- Capable of transmitting a disease; contagious: Is the patient still infectious?
- Spreading or tending to spread from one to another: an infectious laugh.
(comparative more infectious, superlative most infectious)
- (pathology, of an illness) Transmitted from one person to another, usually through the air breathed.
- Cancer is not infectious.
- More infectious diseases like the flu are usually less potent.
- (pathology, of a person) Able to infect others.
- Despite feeling better, the patient is still infectious.
- (of feelings and behaviour) Spreading quickly from one person to another.
- Her enthusiasm for work can be really infectious.
- (informal) Memorable and invoking excitement or interest.
- Pop music is more infectious than elevator music.
- It would include ending all non-infectious diseases as well.
- In 1878 an act was passed giving like powers in the case of the infectious diseases of animals.
- When plague is present in a place, the measures to be taken are the usual ones for dealing with infectious disease, with some additions.
- Among charitable institutions are the Royal Alexandra Infirmary, the Victoria Eye Infirmary (presented by Provost Mackenzie in 1899), the burgh asylum at Riccartsbar, the Abbey Poorhouse (including hospital and lunatic wards), the fever hospital and reception house, the Infectious Diseases Hospital and the Gleniffer Home for Incurables.
- These relate for the most part to nuisances and infectious disease, having special reference to ships.