Meaning of infect

in•fect

Pronunciation: (in-fekt'), [key]
— v.t.
  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. to taint with illegality, or expose to penalty, forfeiture, etc.
—v.i.
  1. to become infected.
—adj.
  1. infected.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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