CONTAGIOUS DISEASE Synonyms: 77 Similar and Opposite Words

contagious disease

noun

as in infection

sickness that can be passed from one person, plant, or animal to another Parents are advised to vaccinate their children against contagious diseases.

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of contagious disease The Centers or Disease Control and Prevention says measles is a highly contagious disease best prevented by two does of the vaccine. — Staff Report, Hartford Courant, 25 Aug. 2026 For the most contagious diseases, even a small dip in vaccination can trigger population-wide problems. — Jackie Flynn Mogensen, Scientific American, 24 Aug. 2026 That’s because measles, among the most contagious diseases in history, is almost always the first vaccine-preventable disease to strike when immunization rates fall. — Patricia Callahan, ProPublica, 18 Aug. 2026 Or consider the Miasma theory, which dates all the way back to Ancient Greece and was a popular contagious disease model throughout the Middle Ages. — T.m. Brown, CNN Money, 16 Aug. 2026 See All Example Sentences for contagious disease

Recent Examples of Synonyms for contagious disease

Noun

Cat’s claw has been promoted to treat osteoarthritis, rheumatoid arthritis, cancer, viral infections and other conditions, according to the integrative health center.

— Karen Garcia, Los Angeles Times, 23 Oct. 2026
Laboratory testing is also needed to confirm infection in animals, as clinical signs can resemble those of other diseases.

— Deidre McPhillips, CNN Money, 23 Oct. 2026

Definition of infection

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contagious

contagious disease

contagious diseases

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“Contagious disease.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contagious%20disease. Accessed 28 Oct. 2026.

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Synonyms of contagious disease

noun

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