degenerative

adjective

de·​gen·​er·​a·​tive di-ˈje-nə-rə-tiv How to pronounce degenerative (audio)
-ˈjen-rə-;
-ˈje-nə-ˌrā-;
dē-
: of, relating to, involving, or causing degeneration
a degenerative disease

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Degenerative diseases—including cancer, glaucoma, Parkinson's, diabetes, arthritis, and leprosy—are usually contrasted with infectious diseases (diseases caused by bacteria, viruses, fungi, and protozoa). However, many infectious diseases (Lyme disease, AIDS, etc.) can cause a body or body part to degenerate, and infective organisms play a part in some degenerative diseases. Some degenerative diseases can be controlled; some can even be cured. But no one has yet discovered a way to reverse such degenerative conditions as multiple sclerosis, emphysema, or Alzheimer's.

Examples of degenerative in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Roberts is requesting five years of probation, citing her clean 50-year record, age and health conditions including diabetes and a degenerative spine condition. Sofi Zeman, Kansas City Star, 24 June 2026 Even healthy people can develop issues years down the road, including a rare but fatal degenerative brain disease that can manifest about a decade after infection. Devi Shastri, Los Angeles Times, 20 June 2026 Even healthy people can develop issues years down the road, including a rare but fatal degenerative brain disease that manifests about a decade after infection. Devi Shastri, Fortune, 20 June 2026 But as the degenerative neurological disease progressed, Ali took a step back from public life, limiting his public appearances. Alex Gurley, PEOPLE, 3 June 2026 See All Example Sentences for degenerative

Word History

First Known Use

circa 1680, in the meaning defined above

Time Traveler
The first known use of degenerative was circa 1680

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Cite this Entry

“Degenerative.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/degenerative. Accessed 30 Jun. 2026.

Kids Definition

degenerative

adjective
de·​gen·​er·​a·​tive di-ˈjen-ə-ˌrāt-iv How to pronounce degenerative (audio)
-ˈjen-(ə-)rət-iv
: of, relating to, or tending to cause degeneration
a degenerative disease

Medical Definition

degenerative

adjective
de·​gen·​er·​a·​tive di-ˈjen-ə-ˌrāt-iv How to pronounce degenerative (audio) -ˈjen-(ə-)rət- How to pronounce degenerative (audio)
: of, relating to, involving, or tending to cause degeneration
degenerative conditions of the nervous systemMorris Fishbein
degenerative changes
a degenerative muscle disorder

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