verb (used with object)

  1. to affect or contaminate (a person, organ, wound, etc.) with disease-producing germs.
  2. to affect with disease.
  3. to taint or contaminate with something that affects quality, character, or condition unfavorably: to infect the air with poison gas.
  4. to corrupt or affect morally: The news of the gold strike infected him with greed.
  5. to imbue with some pernicious belief, opinion, etc.
  6. to affect with a computer virus.
  7. to affect so as to influence feeling or action: His courage infected the others.
  8. Law. to taint with illegality, or expose to penalty, forfeiture, etc.

verb (used without object)

  1. to become infected.


  1. Archaic. infected.

verb (mainly tr)

  1. to cause infection in; contaminate (an organism, wound, etc) with pathogenic microorganisms
  2. (also intr) to affect or become affected with a communicable disease
  3. to taint, pollute, or contaminate
  4. to affect, esp adversely, as if by contagion
  5. computing to affect with a computer virus
  6. mainly international law to taint with crime or illegality; expose to penalty or subject to forfeiture


  1. archaic contaminated or polluted with or as if with a disease; infected

late 14c., from Latin infectus, past participle of inficere “to spoil, stain,” literally “to put in to, dip into,” from in- “in” (see in- (2)) + facere “perform” (see factitious). Related: Infected; infecting.


  1. To contaminate with a pathogenic microorganism or agent.
  2. To communicate a pathogen or disease to another organism.
  3. To invade and produce infection in an organ or body part.

Leave a Reply

Your email address will not be published.

51 queries 0.516