fester
1. [ verb ] (medicine) ripen and generate pus
Synonyms: maturate suppurate
Examples:

"her wounds are festering"

Related terms: discharge suppurate festering
2. [ noun ] Last name, frequency rank in the U.S. is 25617
3. [ noun ] (medicine) a sore that has become inflamed and formed pus
Synonyms: suppurating_sore
Related terms: sore
Similar spelling:   Feaster
  festering
  foster
  Fister
  faster