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 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:

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]

1 day ago · Here's How To Tell If You're Still Contagious After Being Sick Experts reveal the signs that you're no longer at risk of spreading illnesses like COVID, flu and strep throat to others.

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.

Definition of contagious adjective from the Oxford Advanced Learner's Dictionary. a contagious disease spreads by close contact between people. Scarlet fever is highly contagious. …

You should probably postpone dinner if your date's cold is contagious — that means it's easily spread and likely to get you sick. Contagious actually evolved from contagio, the Latin phrase …

Dec 14, 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 …

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 …