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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.

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

“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

She has become more infectious the more I play her.

From Los Angeles Times • May 28, 2026

The Brit starlet has had a standout past year, securing major award wins and topping the charts with her infectious pop songs.

From BBC • May 24, 2026

I doubt my smile is infectious to anyone at all, but I try one anyway because I want Jamie to cheer up.

From "Starfish" by Akemi Dawn Bowman




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