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Definitions

infectious

[in-fek-shuhs] / ɪnˈfɛk ʃəs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In Paris, Chwalinska has played with infectious freedom and joyful creativity, beating two seeded players and Olympic champion Zheng Qinwen along the way.

From BBC • Jun. 3, 2026

This points to methionine as a possible tool for infectious diseases and inflammatory conditions, especially in people with kidney disease, kidney failure, or those undergoing dialysis.

From Science Daily • Jun. 1, 2026

But the energy of the production is infectious.

From Los Angeles Times • May 30, 2026

“The National Institutes of Health was previously, and for decades, the biggest funder of biomedical research against infectious diseases and other threats to public health globally,” Herder said.

From Salon • May 30, 2026

He laughed—a good, hearty bellow, so infectious it almost made Frank smile, though he was still shivering with fear.

From "The Son of Neptune" by Rick Riordan




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