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had been festering
  • past perfect progressive of fester.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Issues between Adams and the Raiders had been festering since last season when he said on a Netflix documentary that quarterback Jimmy Garoppolo was going to get him killed.

From Los Angeles Times • Oct. 15, 2024

Cultural clashes based on generation, race, gender, politics, and ideology, all of which had been festering for years, would dramatically alter the national climate by decade’s end.

From Slate • May 26, 2017

“It’s like a blister, it just popped. It had been festering and festering and festering,” John Morgan, a Florida-based Clinton donor, said of Wasserman Schultz’s rocky tenure, which he has long criticized.

From Washington Post • Jul. 25, 2016

It was partly, he said, because the issue of race relations had been "festering in me".

From The Guardian • May 24, 2012

As I soon found out, anger at me had been festering in him ever since yesterday, and Aunt Loma’s fit brought it to a head.

From "Cold Sassy Tree" by Olive Ann Burns