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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.

While COVID-19 was airborne and far more contagious, he guesses hantavirus is 50 times more deadly.

From MarketWatch • May 14, 2026

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

A viral wakefulness that’s so contagious, it would wake the dead if you got close enough.

From "Challenger Deep" by Neal Shusterman




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