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
The Gator spirit is infectious.
—
Skye Sherman, Southern Living, 3 Oct. 2025
No one in the White House is in charge of leading the country through the potential next hit from an infectious agent, which could be more deadly than if somebody launched a physical war against us on our own shores.
—Alice Park, Time, 29 Sep. 2025
Originally featuring Bad Bunny and J Balvin, the song brought the crowd to a fever pitch, with its high energy and infectious beat closing out her set in true Cardi style.
—Isabela Raygoza, Billboard, 28 Sep. 2025
Robbie McNulty of Salty Mac Tours has an infectious energy and an impressive amount of knowledge about marine life.
—Nora Heston Tarte, Mercury News, 26 Sep. 2025
See All Example Sentences for infectious
Skye Sherman, Southern Living, 3 Oct. 2025
No one in the White House is in charge of leading the country through the potential next hit from an infectious agent, which could be more deadly than if somebody launched a physical war against us on our own shores.
—Alice Park, Time, 29 Sep. 2025
Originally featuring Bad Bunny and J Balvin, the song brought the crowd to a fever pitch, with its high energy and infectious beat closing out her set in true Cardi style.
—Isabela Raygoza, Billboard, 28 Sep. 2025
Robbie McNulty of Salty Mac Tours has an infectious energy and an impressive amount of knowledge about marine life.
—Nora Heston Tarte, Mercury News, 26 Sep. 2025
See All Example Sentences for infectious
Recent Examples of Synonyms for infectious
catching
Adjective
-
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 15 Oct. 2025.
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