Questions about example sentences with, and the definition and usage of "Contagious"

A: Zaraźliwy na przykład contagious disease

A: Something that spreads from one person to another.
1. Influenza is a contagious disease.

It can also be used with feelings, emotions and attitudes that can spread to others.
2.The anger at the march was contagious and led to serious unrest.

A: like a disease that can be spread from one person to another.

Something like infectious

A: Like Ebola, AIDS etc

A: “the sickness is very contagious”
Most of the time you’ll use the word when talking about being sick/sicknesses- I can’t think of much else we use in English with that word.
Oh it might be used to describe someone like “she has a very contagious smile/laugh” meaning she just makes you want to smile or laugh when she does etc etc

A: @Kally_Gonzlez would you be interested in talking with me to improve my English?

A: "Her smile is contagious."
"That cough better not be contagious."
"Don't come near me. I might be contagious."

A: Things that are "contagious" are spread by contact with other people. They are also "infectious".

The difference is that something that's "infectious" may come into contact with you not from another person, but from, say, a syringe. You could get infected by someone injecting you. That's different from "contagious".

I hope that makes sense.

A: A person is who has an infectious disease is contagious.
Usually, only people are considered "contagious". Usually, only viruses or sicknesses are considered "infectious".

A: All contagious diseases are infectious, but not all infectious diseases are contagious.

Contagious is like COVID-19. COVID-19 can spread from person to person from our coughs, for example. Our coughs are contagious because it can spread from person to person.

Infectious means a virus or a bacteria "infect" your body and make you sick. The germs could come from another person (contagious) or they could come from another source like an animal but not spread from human to human. Lyme disease is an example of an infection that is not contagious. You can only get this from ticks, not other humans.

A: A disease is infectious if it spreads by bacteria, viruses, etc.
A disease is contagious if it spreads from person to person.

So basically anything contagious is also infectious (since we don't know any other ways for diseases to spread from person to person yet), but if something is infectious, but those disease agents can't jump from one person to another, then it isn't contagious.

A: We use the words interchangeably, but technically if you are describing a disease ...contagious diseases can be transmitted through physical touch and infectious diseases through small organisms in the air or water

A: "contagious" English US

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A: Заразительный, заразный, контагиозный

Oops, overlooked the essence of the question.. :)
Totally agree with the guy below me!

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A: kənˈteɪdʒəs (so kinda like kaenteigez)