Definitions for infectɪnˈfɛkt

This page provides all possible meanings and translations of the word infect

Random House Webster's College Dictionary


  1. to affect or contaminate with disease-producing germs.

  2. to taint or contaminate with any harmful substance:

    to infect the air with poison gas.

  3. to corrupt or affect morally.

  4. to imbue with some pernicious belief, opinion, etc.

  5. to affect so as to imbue with similar feeling:

    His courage infected the others.

  6. to affect with a computer virus.

    Category: Computers

Origin of infect:

1350–1400; ME < L infectus, ptp. of inficere to immerse in dye, taint, infect



Princeton's WordNet

  1. infect(verb)

    communicate a disease to

    "Your children have infected you with this head cold"

  2. infect, taint(verb)

    contaminate with a disease or microorganism

  3. infect(verb)

    corrupt with ideas or an ideology

    "society was infected by racism"

  4. infect(verb)

    affect in a contagious way

    "His laughter infects everyone who is in the same room"

Kernerman English Learner's Dictionary

  1. infect(verb)ɪnˈfɛkt

    to make a disease spread

    a virus infecting thousands of children

  2. infectɪnˈfɛkt

    to cause an infection

    bacteria infecting the wound

  3. infectɪnˈfɛkt

    (of a computer virus) to cause damage to a computer system

    a virus that infects your hard drive

  4. infectɪnˈfɛkt

    to cause to feel or be affected by an emotion

    We were all infected by his humor.


  1. infect(Verb)

    to bring into contact with a substance that can cause illness (a pathogen)

  2. infect(Verb)

    to make somebody enthusiastic about one's own passion

    Her passion for dancing has infected me.

  3. Origin: From infectus, perfect passive participle of inficio.

Webster Dictionary

  1. Infect(verb)

    infected. Cf. Enfect

  2. Infect(verb)

    to taint with morbid matter or any pestilential or noxious substance or effluvium by which disease is produced; as, to infect a lancet; to infect an apartment

  3. Infect(verb)

    to affect with infectious disease; to communicate infection to; as, infected with the plague

  4. Infect(verb)

    to communicate to or affect with, as qualities or emotions, esp. bad qualities; to corrupt; to contaminate; to taint by the communication of anything noxious or pernicious

  5. Infect(verb)

    to contaminate with illegality or to expose to penalty

Translations for infect

Kernerman English Multilingual Dictionary


to fill with germs that cause disease; to give a disease to

You must wash that cut on your knee in case it becomes infected; She had a bad cold last week and has infected the rest of the class.

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