Meaning of fester

fes•ter

Pronunciation: (fes'tur), [key]
— v.i.
  1. to form pus; generate purulent matter; suppurate.
  2. to cause ulceration, as a foreign body in the flesh.
  3. to putrefy or rot.
  4. to rankle, as a feeling of resentment.
—v.t.
  1. to cause to rankle: Malice festered his spirit.
—n.
  1. an ulcer; a rankling sore.
  2. a small, purulent, superficial sore.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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