FESTER

noun a festering or rankling.

2. fester ·vt to cause to fester or rankle.

3. fester ·noun a small sore which becomes inflamed and discharges corrupt matter; a pustule.

4. fester ·noun to generate pus; to become imflamed and suppurate; as, a sore or a wound festers.

5. fester ·noun to be inflamed; to grow virulent, or malignant; to grow in intensity; to rankle.