infected
adjective
in·fect·ed
in-ˈfek-təd 
: 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
The Journal of the American Medical AssociationShe explains that leptospirosis bacteria are shed in the urine of infected animals.—Tania Banak
Tania BanakThe fungus produces as many as 1 million conidia per square centimeter of infected leaf surface.—G. B. Lucas
G. B. LucasExamples of infected in a Sentence
Recent Examples on the Web
The infected person in Butte County, which is roughly 80 miles north of Sacramento, is between 30 to 40 years old and experiencing a severe case.
—Mathew Miranda, Sacbee.com, 15 Aug. 2025
Still, Colorado Parks and Wildlife has instructed residents not to touch or otherwise attempt to help infected rabbits.
—Angela Haupt, Time, 14 Aug. 2025
Though many infected people do not feel sick, some develop symptoms like a fever and few become seriously or fatally ill.
—Grace Zokovitch, Boston Herald, 13 Aug. 2025
The bite of infected fleas that lived on rats passed on the plague in its most infamous form — the Black Death of the 14th century — to humans, and remains its most common form of transmission today.
—Taylor Nicioli, CNN Money, 12 Aug. 2025
See All Example Sentences for infected
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.
Mathew Miranda, Sacbee.com, 15 Aug. 2025
Still, Colorado Parks and Wildlife has instructed residents not to touch or otherwise attempt to help infected rabbits.
—Angela Haupt, Time, 14 Aug. 2025
Though many infected people do not feel sick, some develop symptoms like a fever and few become seriously or fatally ill.
—Grace Zokovitch, Boston Herald, 13 Aug. 2025
The bite of infected fleas that lived on rats passed on the plague in its most infamous form — the Black Death of the 14th century — to humans, and remains its most common form of transmission today.
—Taylor Nicioli, CNN Money, 12 Aug. 2025
See All Example Sentences for infected
Cite this Entry
“Infected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infected. Accessed 27 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share