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:

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. …

Sep 17, 2025 · Just because you feel sick doesn’t mean you’re contagious, but it’s often a clear sign. An infectious disease is an illness that is caused by bacteria or viruses. If an infectious …

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 …

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 …

CONTAGIOUS meaning: 1 : able to be passed from one person or animal to another by touching; 2 : having a sickness that can be passed to someone else by touching

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: