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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.

In infectious disease settings, for instance, systems that detect infections are often designed to accept more false positives to avoid missing contagious individuals.

From Salon • May 12, 2026

Unlike diseases such as measles, which are highly contagious and spread easily, the Andes strain of hantavirus is not that infectious.

From BBC • May 7, 2026

"They didn't even consider the possibility of having such a contagious disease," he added.

From Barron's • May 6, 2026

The highly contagious virus reached a peak of U.S. cases in 1952.

From The Wall Street Journal • Apr. 24, 2026

SAD is an extremely contagious disease that causes total memory loss in those who contract it.

From "The Mysterious Benedict Society" by Trenton Lee Stewart




Vocabulary lists containing contagious