Word of the day 12

fes⋅ter [fes-ter]


–verb (used without object)
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.
–verb (used with object)
5. to cause to rankle: Malice festered his spirit.
–noun
6. an ulcer; a rankling sore.
7. a small, purulent, superficial sore