infectious
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 protective system helps shield the brain from harmful substances, including toxins and infectious agents.
From Science Daily ● Nov. 1, 2026
They take an infectious delight in the language.
From The Wall Street Journal ● Oct. 30, 2026
The breakthrough, described in the Nature portfolio journal Light: Science and Applications, could lead to advances in cancer research, drug development, infectious disease studies, and investigations of how plants interact with microorganisms.
From Science Daily ● Oct. 17, 2026
Stanley said the group's energy throughout their performance was "incredible" and "infectious"
From BBC ● Oct. 9, 2026
She was young and enraptured, her joy infectious, especially to Dr. Cigrand, the dentist, who saw so little joy from day to day as he reduced grown men of proven courage to tears.
From "The Devil in the White City" by Erik Larson
Vocabulary lists containing infectious
"Romeo and Juliet" by William Shakespeare, Act V
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National Nurses Week: Common Medical Terms
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An American Plague
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