Word of the day; Fester

Fester: pústula, chaga, ulceração, ulcerar, apostema,  inflamar-se, supurar, apostemar-se, apodrecer-se, corromper-se, envenenar o espírito, exasperar

Synonyms: boil, pock, hickey, papule, pimple, pustule, whelk

‘It's like the poem from the play A Raisin in the Sun—do you let a sore just fester and run? No. You have to stop it from infecting the...”(www.thedailybeast.com)