infect Meaning in the Cambridge English Dictionary
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Meaning of “infect” in the English Dictionary

"infect" in British English

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infectverb [T]

uk   us   /ɪnˈfekt/

infect verb [T] (DISEASE)

C1 to ​pass a ​disease to a ​person, ​animal, or ​plant: The ​ward was ​full of ​children infected with TB. All the ​tomatoplants are infected with a ​virus.C2 If a ​place, ​wound, or ​substance is infected, it ​containsbacteria or other things that can ​causedisease: The ​meat had been infected by E coli ​bacteria.

infect verb [T] (FEELING)

to make someone have the same ​feeling or ​emotion as you: Her ​optimismseemed to infect all those around her.

infect verb [T] (COMPUTERS)

C1 to ​passharmfulprograms from one ​computer to another, or within ​files in the same ​computer: A ​computervirus may ​lurkunseen in a computer's ​memory, ​calling up and infecting each of the machine's ​datafiles in ​turn.
(Definition of infect from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"infect" in American English

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infectverb [T]

 us   /ɪnˈfekt/
to ​causedisease in someone by ​introducingorganisms such as ​bacteria or ​viruses: Mosquitoes can infect ​people with ​malaria. fig. Fear of an ​attack infected the ​entirecity.
infected
adjective [not gradable]  us   /ɪnˈfek·tɪd/
an infected ​toe
infection
noun [C/U]  us   /ɪnˈfek·ʃən/
[C] a ​sinus infection
(Definition of infect from the Cambridge Academic Content Dictionary © Cambridge University Press)

"infect" in Business English

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infectverb [T, often passive]

uk   us   /ɪnˈfekt/
IT to ​damage a computer's ​software or ​data with a harmful ​program that has been ​passed from another ​computer: be infected by/with sth The ​hackershijackedpersonalcomputers that had been previously infected by a ​virus. an infected ​website
to ​pass a disease to a ​person, animal, or ​plant: be infected by/with sth A ​labworker had been infected with a ​potentially dangerous ​agent. There was an alarming ​report of meat from infected animals being ​sold to ​supermarkets.
(Definition of infect from the Cambridge Business English Dictionary © Cambridge University Press)
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