To become septic; to become rotten.
To worsen, especially due to lack of attention.
To cause to fester or rankle.
The condition of something that festers; a festering; a festerment.
A sore or an ulcer of the skin.
To corrupt; to make foul.
To make morbid, carious, or gangrenous.
To become filled with a pus-like or bile-like substance.
To reach an advanced stage of decomposition.
To become gangrenous.