Synonyms of infectednext
: having an infection : contaminated with an infective agent (such as a bacterium or virus)
an infected wound
Through a number of different means, these viruses persist at very low, hard-to-detect levels in infected cells.The Journal of the American Medical Association
She explains that leptospirosis bacteria are shed in the urine of infected animals.Tania Banak
The fungus produces as many as 1 million conidia per square centimeter of infected leaf surface.G. B. Lucas

Examples of infected in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Ebola spreads through direct contact with the bodily fluids of infected people, living or dead. CNN Money, 17 Aug. 2026 West Nile virus is typically contracted by humans through the bite of an infected mosquito. Jaclyn Cosgrove, Los Angeles Times, 13 Aug. 2026 About 80% of people who become infected do not develop symptoms, while fewer than 1% develop severe illness or neurological complications. Jessie Baltaxe, CBS News, 13 Aug. 2026 T cells, a type of immune cell that detects and destroys infected or abnormal cells, normally perform this inspection. William A. Haseltine, Forbes.com, 12 Aug. 2026 See All Example Sentences for infected

Word History

Etymology

from past participle of infect

First Known Use

1534, in the meaning defined above

Time Traveler
The first known use of infected was in 1534

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Cite this Entry

“Infected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infected. Accessed 17 Aug. 2026.

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