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has been degenerating
  • present perfect progressive of degenerate (3rd person singular).

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.

“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 Merriman, Henry Seton