as in spreading
exciting a similar feeling or reaction in others an infectious giggle that got the whole class laughing

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Recent Examples of infectious With infectious melodies, honest lyrics, and a compelling narrative, her work leaves a lasting impact. Spin Contributor, SPIN, 7 Jan. 2025 All the photos revealed the same thing: Lou loved the attention and her infectious smile made everyone else's day. Liz O'Connell, Newsweek, 7 Jan. 2025 Her ability to blend infectious pop music with raw, heartfelt storytelling kept me listening over and over. Rolling Stone, 28 Dec. 2024 Written in just four minutes, the song showcases Miller’s playful, self-deprecating wit and knack for infectious melodies. Darryn King, Forbes, 2 Jan. 2025 See all Example Sentences for infectious 

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“Infectious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infectious. Accessed 21 Jan. 2025.

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