Anything contagious, such as the flu, is always automatically infectious: if you can catch it from someone, it's being passed to you via an infectious agent, which is the thing that gets you …

Contagious definition: capable of being transmitted by bodily contact with an infected person or object.. See examples of CONTAGIOUS used in a sentence.

A contagious disease is an infectious disease that can be spread rapidly in several ways, including direct contact, indirect contact, and droplet contact. [1][2] These diseases are caused …

A contagious disease can be caught by touching someone who has the disease or by touching an infected object, or by an infected person coughing, sneezing, etc. near you:

The difference between contagious and infectious can be difficult to figure out because there is some overlap in meaning. An infectious agent is something that gets you sick. An infectious …

[not usually before noun] if a person is contagious, they have a disease that can be spread by close contact with other people. Definition of contagious adjective in Oxford Advanced …

A feeling or attitude that is contagious spreads quickly among a group of people. Laughing is contagious. Antonio has a contagious enthusiasm for the beautiful aspect of food.

1. Of or relating to contagion. 2. Transmissible by direct or indirect contact; communicable: a contagious disease. 3. Capable of transmitting a disease: stayed at home until he was no …

Oct 10, 2025 · contagious (comparative more contagious, superlative most contagious) Last year's flu strain was so contagious that everybody in town got sick! Wearing jeans was a …

Jan 8, 2025 · Get info on what makes a disease infectious versus communicable and learn why all infections are not necessarily contagious.