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

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 infectious The rise in border fees also creates a roadblock for international farmers, along with a ban on imports from Mexican beef due to an infectious screwworm that’s infecting its livestock, according to AP News. Moná Thomas, People.com, 22 July 2025 Their signature flows, infectious hooks, and group chemistry helped define Atlanta’s influence on mainstream Hip-Hop over the past decade. Preezy Brown, VIBE.com, 21 July 2025 Her radiant spirit, infectious laughter, and boundless compassion made an unforgettable impact on everyone lucky enough to know her. David Goodhue, Miami Herald, 17 July 2025 Highlife arose in the Fante coast of Ghana in the 19th century, where natives curated infectious polyrhythms through primarily brass instruments, local drums, guitars, the Akan Seprewa—some which derived from Caribbean soldiers and British military brass bands. Ime Ekpo, Forbes.com, 11 July 2025 See All Example Sentences for infectious
Recent Examples of Synonyms for infectious
catching
Adjective
  • In a perfect world, McLaurin would be earning DK Metcalf money, suited up for the Commanders, and catching passes from Jayden Daniels.
    Justin Grasso, MSNBC Newsweek, 31 July 2025
  • The Pirates will receive catching/first base prospect Rafael Flores, catching prospect Edgleen Perez and outfield prospect Brian Sanchez in return, a league source confirmed to The Athletic.
    Brendan Kuty, New York Times, 31 July 2025

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Cite this Entry

“Infectious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infectious. Accessed 20 Aug. 2025.

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