Definition of infect
1 : to contaminate with a disease-producing substance or agent (such as bacteria)
2a : to communicate a pathogen or a disease tob of a pathogenic organism : to invade (an individual or organ) usually by penetrationc of a computer virus : to become transmitted and copied to (a device, such as a computer)
3a : contaminate, corrupt the inflated writing that infects such storiesb : to work upon or seize upon so as to induce sympathy, belief, or support trying to infect their salespeople with their enthusiasm
infectorplay \in-ˈfek-tər\ noun
Examples of infect in a Sentence
If you're sick you should stay home to avoid infecting other people in the office.
The virus has infected many people.
They were unable to prevent bacteria from infecting the wound.
Her enthusiasm has infected everyone.
The virus has infected many computers.
All the computers in the office were infected by the same virus.
Recent Examples of infect from the Web
Indian television, in particular, has been infected by a style of hyperbolic ranting that makes some debate programmes hard to watch.
Almost all dogs exposed to the virus are infected and about 80 percent develop flu symptoms.
Mom's new boyfriend infects her, turns her into a stinging monstrosity, Dad kills her.
The illness, which is spread by the Lone Star tick, typically infects people from May to September, and requires hospitalization.
Introducing the genome into cells infected with a different type of poxvirus led these cells to start producing infectious horsepox virus particles, a technique first shown to work in a 2002 paper in PNAS.
On May 11, the Ministry of Health of the Democratic Republic of the Congo (DRC) notified the World Health Organization that one of its citizens had been infected with the Ebola virus.
Even for those who are not in danger of liver failure or cancer in the short term, the virus can cause emotional duress and worries about infecting others.
In the same vein, Dr. Nazarian suggests to follow up the cleanse with Aquaphor to prevent the cut from getting infected.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'infect.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
INFECT Defined for English Language Learners
Definition of infect for English Language Learners
: to cause (someone or something) to become sick or affected by disease
: to cause (someone) to feel an emotion
of an emotion : to spread to (other people)
INFECT Defined for Kids
Definition of infect for Students
1 : to pass on or introduce a germ, illness, or disease to : to cause sickness in Don't infect me with your cold. The bacteria can infect wounds.
2 : to cause to share similar feelings Her enthusiasm infects the other players.
Seen and Heard
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