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infect

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verb in·fect \in-ˈfekt\

Simple Definition of infect

  • : 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)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of infect

  1. transitive verb
  2. 1 :  to contaminate with a disease-producing substance or agent (as bacteria)

  3. 2 a :  to communicate a pathogen or a disease to b of a pathogenic organism :  to invade (an individual or organ) usually by penetration c of a computer virus :  to become transmitted and copied to (as a computer)

  4. 3 a :  contaminate, corrupt <the inflated writing that infects such stories> b :  to work upon or seize upon so as to induce sympathy, belief, or support <trying to infect their salespeople with their enthusiasm>

infector

play \-ˈfek-tər\ noun

Examples of infect in a sentence

  1. If you're sick you should stay home to avoid infecting other people in the office.

  2. The virus has infected many people.

  3. They were unable to prevent bacteria from infecting the wound.

  4. Her enthusiasm has infected everyone.

  5. The virus has infected many computers.

  6. All the computers in the office were infected by the same virus.



Origin and Etymology of infect

Middle English, from Latin infectus, past participle of inficere, from in- + facere to make, do — more at do


First Known Use: 14th century


INFECT Defined for Kids

infect

play
verb in·fect \in-ˈfekt\

Definition of infect for Students

infected

infecting

  1. 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. 2 :  to cause to share similar feelings <Her enthusiasm infects the other players.>




Medical Dictionary

infect

play
transitive verb in·fect \in-ˈfekt\

Medical Definition of infect

  1. 1:  to contaminate with a disease-producing substance or agent (as bacteria)

  2. 2a:  to communicate a pathogen or a disease tobof a pathogenic organism :  to invade (an individual or organ) usually by penetration—compare infest




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