as in spreading
exciting a similar feeling or reaction in others
an infectious giggle that got the whole class laughing
Synonyms & Similar Words
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Example Sentences
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Recent Examples of infectious
Jasper County Sheriff Randy Johnson had said Tulane officials reported the monkeys were not infectious, despite initial reports by the truck’s occupants warning that the monkeys were dangerous and harboring various diseases.
—
Emma Burleigh, Fortune, 4 Nov. 2025
Traditional public health, in contrast, has focused on systemic solutions to preventing both infectious and chronic disease.
—Pien Huang, NPR, 4 Nov. 2025
He will be sorely missed by his many, many friends, who grew to love his charm, his wit, his infectious laugh and his innate sense of style.
—Meredith Kile, PEOPLE, 4 Nov. 2025
His infectious personality and good looks have won over a few of the ladies and disarmed many of the men.
—Jackie Strause, HollywoodReporter, 3 Nov. 2025
See All Example Sentences for infectious
Emma Burleigh, Fortune, 4 Nov. 2025
Traditional public health, in contrast, has focused on systemic solutions to preventing both infectious and chronic disease.
—Pien Huang, NPR, 4 Nov. 2025
He will be sorely missed by his many, many friends, who grew to love his charm, his wit, his infectious laugh and his innate sense of style.
—Meredith Kile, PEOPLE, 4 Nov. 2025
His infectious personality and good looks have won over a few of the ladies and disarmed many of the men.
—Jackie Strause, HollywoodReporter, 3 Nov. 2025
See All Example Sentences for infectious
Recent Examples of Synonyms for infectious
catching
Adjective
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After an early-season injury to Connor Wong, Narváez stepped into the everyday catching role.—
Gabrielle Starr,
Boston Herald,
6 Oct. 2025
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The Twins could also consider internal options with catching/assistant bench coach Hank Conger among them.—
Betsy Helfand,
Twin Cities,
1 Oct. 2025
Cite this Entry
“Infectious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infectious. Accessed 11 Nov. 2025.
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