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Definitions

contagious

[kuhn-tey-juhs] / kənˈteɪ dʒəs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s a perennial pathogen, highly contagious and extremely deadly, and its occasional flareups could threaten a global disaster.

From Salon • May 20, 2026

There is no vaccine or specific treatment for the strain responsible for the current spread of the highly contagious hemorrhagic fever.

From Barron's • May 18, 2026

I think courage is contagious in this context too.

From Slate • May 18, 2026

This is a very high fatality rate—much higher than deaths caused by the virus behind Covid-19—but the virus is less contagious.

From The Wall Street Journal • May 16, 2026

If her optimism were contagious, I’d be betting on myself to win this whole thing.

From "Dumplin'" by Julie Murphy




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