infect
verb (used with object)
to affect or contaminate (a person, organ, wound, etc.) with disease-producing germs.
infecting
-
present participleof infect.present participle
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
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.
Measles patients are ushered to negative-pressure rooms to avoid infecting others in hospitals.
From The Wall Street Journal ● Oct. 7, 2026
Sealing off: Leronlimab blocks what's left of the virus from infecting immune cells -- the equivalent of sealing off the room with a water-tight valve.
From Science Daily ● Aug. 13, 2026
A city-commissioned inspection report found that waste and high temperatures at the warehouse could speed up the breeding of flies capable of infecting wounds in both people and animals, a local NBC affiliate reported, external.
From BBC ● Aug. 9, 2026
With hantavirus, the incubation period can take up to six weeks, so people must be isolated for a really long time to ensure they won’t get sick and start infecting others.
From Slate ● May 16, 2026
The plague spread to every house, infecting schools and factories, so that no one felt secure.
From "The House of the Spirits: A Novel" by Isabel Allende
