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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.

Highly contagious, measles spreads quickly through coughs and sneezes and is particularly dangerous for unvaccinated young children under the age of 5.

From BBC • May 27, 2026

The World Health Organization has declared the outbreak of the highly contagious haemorrhagic fever an international emergency.

From Barron's • May 23, 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

And she pushed me away as if I were contagious.

From "When I Was Puerto Rican" by Esmeralda Santiago




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