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 …

5 days ago · Experts reveal the signs that you're no longer at risk of spreading illnesses like COVID, flu and strep throat to others.

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 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:

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 longer contagious. 4. …

[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 Learner's …

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.

Nov 17, 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 contagious fad at that …

Contagious, infectious are usually distinguished in technical medical use. Contagious, literally "communicable by contact,'' describes a very easily transmitted disease as influenza or the common …

Definitions of contagious adjective (of disease) capable of being transmitted by infection synonyms: catching, communicable, contractable, transmissible, transmittable