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
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Those enrolled have experienced CLBP due to degenerative disc disease (DDD) for less than five years. New Atlas, 19 Aug. 2026 Forbes said many of her patients seek treatment for chronic or intractable pain linked to conditions such as rheumatoid arthritis, osteoporosis, chronic back problems and degenerative disease. Madeline Montgomery, CBS News, 18 Aug. 2026 Rasmussen announced in 2019 that he had been diagnosed with the degenerative disease in 2014. ABC News, 18 Aug. 2026 Rasmussen revealed in 2019 that he had been diagnosed with Parkinson’s, a degenerative disease, in 2014. Jill Goldsmith, Deadline, 18 Aug. 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 24 Aug. 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

: 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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