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have festered

  • present perfect
    of fester.
    fester
    verb (used without object)
    to form pus; generate purulent matter; suppurate.

Example Sentences

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Peace proposals and presidents have come and gone but the problems have festered.

From BBC ● Feb. 5, 2025

So in that information vacuum, various conspiracy theories have festered.

From Salon ● Nov. 14, 2023

But their rivalries have festered, inflamed by disagreements over power sharing and a timeline to integrate Hemedti’s forces into the national army.

From Washington Post ● Apr. 22, 2023

The leaders did meet in Washington last November, but until then, there hadn’t been a summit in five years and many of the current disputes have festered despite constant discussion.

From Seattle Times ● Jan. 7, 2023

This bitterness might have festered within him, but for the blessedness of Mary Elsmere's letters.

From The Case of Richard Meynell by Mrs. Humphry Ward