deteriorate

verb

de·​te·​ri·​o·​rate di-ˈtir-ē-ə-ˌrāt How to pronounce deteriorate (audio)
dē-
deteriorated; deteriorating

transitive verb

1
: to make inferior in quality or value : impair
Exposure to sunlight may deteriorate the paint.
2

intransitive verb

: to become impaired in quality, functioning, or condition : degenerate
allowed a tradition of academic excellence to deteriorate
his health deteriorated
deteriorative adjective

Examples of deteriorate in a Sentence

efforts to save a deteriorating rain forest Exposure to rain and sun will gradually deteriorate the paint.
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.
Relations deteriorated even further by 1729 after Etienne de Périer, the governor of French Louisiana, appointed a man known as Commandant de Chépart to lead Fort Rosalie. Eli Wizevich, Smithsonian Magazine, 29 Nov. 2024 Since then, though, communication has deteriorated, with those close to Prince Harry saying the monarch no longer takes his younger son’s calls and doesn’t respond to his letters, either. Rachel Burchfield, People.com, 29 Nov. 2024 Although the city reached a settlement and consent decree in October 2015, the judge noted that jail conditions have deteriorated significantly over the past decade. Yaakov Katz, Newsweek, 28 Nov. 2024 Over the years Hampden’s holiday spirit has not shown any sign of deteriorating. Jacques Kelly, Baltimore Sun, 26 Nov. 2024 See all Example Sentences for deteriorate 

Word History

Etymology

Late Latin deterioratus, past participle of deteriorare, from Latin deterior worse, from de- + -ter (suffix as in Latin uter which of two) + -ior (comparative suffix) — more at whether entry 2, -er

First Known Use

1572, in the meaning defined at transitive sense 1

Time Traveler
The first known use of deteriorate was in 1572

Dictionary Entries Near deteriorate

Cite this Entry

“Deteriorate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deteriorate. Accessed 11 Dec. 2024.

Kids Definition

deteriorate

verb
de·​te·​ri·​o·​rate di-ˈtir-ē-ə-ˌrāt How to pronounce deteriorate (audio)
deteriorated; deteriorating
1
: to make or become worse or of less value : degenerate
2
deterioration
-ˌtir-ē-ə-ˈrā-shən
noun
deteriorative adjective

Medical Definition

deteriorate

intransitive verb
de·​te·​ri·​o·​rate di-ˈtir-ē-ə-ˌrāt How to pronounce deteriorate (audio)
deteriorated; deteriorating
: to become impaired in quality, functioning, or condition : degenerate
her health deteriorated
deteriorating vision

More from Merriam-Webster on deteriorate

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