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has been degenerating

  • present perfect progressive
    of degenerate (3rd person singular).
    degenerate
    verb (used without object)
    to fall below a normal or desirable level in physical, mental, or moral qualities; deteriorate.

Example Sentences

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See Examples For:

“All of this has been degenerating for a long time,” Melgar said.

From Los Angeles Times Jul. 18, 2025

Researchers say that by the time someone exhibits mild cognitive impairment, the brain has been degenerating for years, and the drugs, even if they can slow the decline, are too little too late.

From New York Times May 14, 2015

The world has been degenerating into a maudlin state of sentiment for some years.

From Roden's Corner by Henry Seton Merriman