deteriorate

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

Definition of deteriorate

transitive verb

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

intransitive verb

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

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Other Words from deteriorate

deteriorative \ di-​ˈtir-​ē-​ə-​ˌrā-​tiv How to pronounce deteriorative (audio) , dē-​ \ 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 The meeting in Istanbul between Turkish President Recep Tayyip Erdogan and Russia’s Vladimir Putin came amid deteriorating security in the Mideast. Zeynep Bilginsoy, BostonGlobe.com, "Erdogan, Putin launch new gas line, vow Mideast diplomacy," 8 Jan. 2020 Today many people associate economic change with deteriorating living standards: job losses, being ripped-off, or living under virtual monopolies in search and social networks. The Economist, "Who will win the media wars?," 14 Nov. 2019 At long last, after almost three games of deteriorating production, this languishing lineup received a spark. Chandler Rome, Houston Chronicle, "Justin Verlander, Astros come up short to Reds," 18 June 2019 But with the condition of his shoulder deteriorating, Newton begin throwing only during Friday's practice each week, and Carolina finally sidelined the quarterback for its final two games. Mark Inabinett | Minabinett@al.com, al.com, "Panthers to livestream Cam Newton passing at Tuesday’s practice," 10 June 2019 Russian officials allege Whelan is lying about his treatment and deteriorating health. Fox News, "American detained on spying charges in Russia loses job due to 'corporate restructuring'," 21 Dec. 2019 Once at Princeton Baptist Medical Center, Cheri’s condition quickly deteriorated. Carol Robinson | Crobinson@al.com, al, "‘Extremely dangerous’ murder suspect Adam Isom captured by Birmingham police," 21 Dec. 2019 But the air bag propellant can still deteriorate over time when exposed to moisture and explode too fast, blowing apart the inflator body. Tom Krisher, USA TODAY, "US highway safety agency probes 4 automakers in new Takata airbag recall," 20 Dec. 2019 But the air bag propellant can still deteriorate over time when exposed to moisture and explode too fast, blowing apart the inflator body. Tom Krisher, The Denver Post, "U.S. probes four automakers in new Takata air bag recall," 19 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deteriorate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deteriorate

1572, in the meaning defined at transitive sense 1

History and Etymology for deteriorate

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

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Time Traveler for deteriorate

Time Traveler

The first known use of deteriorate was in 1572

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Statistics for deteriorate

Last Updated

17 Jan 2020

Cite this Entry

“Deteriorate.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/deteriorated. Accessed 18 January 2020.

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More Definitions for deteriorate

deteriorate

verb
How to pronounce deteriorate (audio)

English Language Learners Definition of deteriorate

: to become worse as time passes
: to make (something) worse

deteriorate

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

Kids Definition of deteriorate

: to make or become worse or of less value Their relationship deteriorated.

deteriorate

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

Medical Definition of deteriorate

: to become impaired in quality, functioning, or condition : degenerate her health deteriorated deteriorating vision

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