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
But a single policy can protect them from many infectious threats.
—
Dhruv Khullar, New Yorker, 24 Sep. 2025
For Peter Chin-Hong, MD, an infectious-disease specialist and a professor of medicine at the University of California San Francisco School of Medicine, many questions remain unanswered about the ACIP stance.
—Emily Kay Votruba, EverydayHealth.com, 23 Sep. 2025
His energy is infectious and is one of the things Holly loves about him.
—Rebecca Aizin, PEOPLE, 22 Sep. 2025
Unfortunately, the infectious energy of the scare zone gets completely lost in the lethargic and drowsy maze.
—Brady MacDonald, Oc Register, 19 Sep. 2025
See All Example Sentences for infectious
Dhruv Khullar, New Yorker, 24 Sep. 2025
For Peter Chin-Hong, MD, an infectious-disease specialist and a professor of medicine at the University of California San Francisco School of Medicine, many questions remain unanswered about the ACIP stance.
—Emily Kay Votruba, EverydayHealth.com, 23 Sep. 2025
His energy is infectious and is one of the things Holly loves about him.
—Rebecca Aizin, PEOPLE, 22 Sep. 2025
Unfortunately, the infectious energy of the scare zone gets completely lost in the lethargic and drowsy maze.
—Brady MacDonald, Oc Register, 19 Sep. 2025
See All Example Sentences for infectious
Recent Examples of Synonyms for infectious
catching
Adjective
-
The decision by the Baltimore Orioles to sign top catching prospect Samuel Basallo to an eight-year contract extension may signal that the organization is looking to move Adley Rutschman in an offseason trade.—
Andrew Wright,
MSNBC Newsweek,
27 Aug. 2025
-
Kirk, logging more catching time than ever before, is perhaps the exception.—
Mitch Bannon,
New York Times,
18 Aug. 2025
Cite this Entry
“Infectious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infectious. Accessed 6 Oct. 2025.
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