I. ˈfes-tər noun
Etymology: Middle English, from Anglo-French festre, from Latin fistula pipe, fistulous ulcer
Date: 14th century
: a suppurating sore : pustule
II. verb
( fes·tered ; fes·ter·ing -t(ə-)riŋ)
Date: 14th century
intransitive verb
1. : to generate pus
2. : putrefy , rot
3.
a. : to cause increasing poisoning, irritation, or bitterness : rankle
dissent fester ed unchecked
b. : to undergo or exist in a state of progressive deterioration
allowed slums to fester
transitive verb
: to make inflamed or corrupt