Meaning of the word fester in English

What does fester mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

fester

US /ˈfes.tɚ/
UK /ˈfes.tɚ/

Verb

1.

If a cut or other injury festers, it becomes infected and produces pus:

Example:
a festering sore
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