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.
There are far fewer caregivers and researchers tackling the headache conundrum than there are working on movement disorders such as Parkinson’s, degenerative diseases such as Alzheimer’s, and vascular maladies such as stroke. Jerome Groopman, New Yorker, 11 Aug. 2025 An official told Fox News Digital the three-page note was found in the gunman's wallet and made references to CTE and expressed anger toward the NFL over the degenerative brain disease. Scott Thompson, FOXNews.com, 31 July 2025 Parkinson's is a degenerative syndrome that results in the slow loss of brain circuitry involved in movement, thinking, and behavior. Edward Segarra, USA Today, 23 July 2025 Bryant, officially diagnosed with lumbar degenerative disc disease, is in the fourth year of his seven-year, $182 million contract. Patrick Saunders, Denver Post, 23 July 2025 See All Example Sentences for degenerative

Word History

First Known Use

circa 1846, in the meaning defined above

Time Traveler
The first known use of degenerative was circa 1846

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Cite this Entry

“Degenerative.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/degenerative. Accessed 20 Aug. 2025.

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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