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 But that’s also contributed to its deteriorating health. Kevin Ambrose, Washington Post, 5 Apr. 2024 For at least 250 years, blacksmiths used a forge built inside the base of the tower that significantly deteriorated the fragile selenite stones at the base. Elisabetta Povoledo, New York Times, 4 Apr. 2024 The company’s financial performance has deteriorated, its stock has underperformed and its directors have not looked out for shareholders, Trian said. Meg James, Los Angeles Times, 2 Apr. 2024 The quality of play across the conference has deteriorated substantially in the past 10-15 years. Jon Wilner, The Mercury News, 2 Apr. 2024 As Fortune has previously reported, this year’s pivotal spring season in the housing world seems to be more of a mini version—new listings are up, but affordability has deteriorated. Alena Botros, Fortune, 1 Apr. 2024 Some of the poorest—including several in West Africa—are experiencing political instability and deteriorating security conditions, which will only compound their economic woes. Comfort Ero, Foreign Affairs, 1 Apr. 2024 His living conditions have reportedly deteriorated since far-right Israeli National Security Minister Itamar Ben-Gvir ordered him detained in solitary confinement in December. Taylor Luck, The Christian Science Monitor, 1 Apr. 2024 The building's deteriorating terra cotta facade has been a reoccurring issue. Journal Sentinel, 22 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'deteriorate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 19 Apr. 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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