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
Measles can be spread through direct contact with infectious droplets, or can be airborne when an infected person breathes, coughs or sneezes, according to officials.
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Angelica Stabile, Fox News, 18 Feb. 2025
But for Austin, the combination seems to fuel his own personal superpower–infectious joy and an indestructible spirit.
—Devonne Goode, Parents, 18 Feb. 2025
Her presence is always infectious, and seeing her at New York Fashion Week in 2025 only reinforces the incredible success she’s achieved.
—Mecca Pryor, Essence, 8 Feb. 2025
His impact on the field was undeniable, and his personality off the field was infectious.
—Dane Mizutani, Twin Cities, 7 Feb. 2025
See All Example Sentences for infectious
Angelica Stabile, Fox News, 18 Feb. 2025
But for Austin, the combination seems to fuel his own personal superpower–infectious joy and an indestructible spirit.
—Devonne Goode, Parents, 18 Feb. 2025
Her presence is always infectious, and seeing her at New York Fashion Week in 2025 only reinforces the incredible success she’s achieved.
—Mecca Pryor, Essence, 8 Feb. 2025
His impact on the field was undeniable, and his personality off the field was infectious.
—Dane Mizutani, Twin Cities, 7 Feb. 2025
See All Example Sentences for infectious
Cite this Entry
“Infectious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infectious. Accessed 3 Mar. 2025.
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