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.
Bourbon is a rare virus that is believed to be spread by infected ticks, per the Centers for Disease Control and Prevention (CDC). Desiree Anello, PEOPLE, 1 Aug. 2026 Despite being better known as rabbit fever, it can be spread through tick bites, as well as through bites from infected rabbits and rodents. Jennifer McLogan, CBS News, 31 July 2026 Bourbon is a rare condition caused by a virus transmitted through bites from infected ticks, especially the Lone Star tick. Mary Walrath-Holdridge, USA Today, 31 July 2026 Diarrhea Once water has been contaminated by germs that cause contagious diarrhea, a swimmer only has to swallow a tiny amount to become infected. Amanda MacMillan, Health, 30 July 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 5 Aug. 2026.

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