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

But from there, Lily’s health quickly deteriorated. Dave Quinn, PEOPLE.com, "Texas Girl, 10, Dies After Contracting Rare Brain-Eating Amoeba from Swimming in River," 16 Sep. 2019 But deteriorating economic data pushed the bank to start planning more help for the economy. Washington Post, "European Central Bank deploys new stimulus to help economy," 13 Sep. 2019 Before, the exterior was dated and deteriorated, swathed in stucco. Molly Guthrey, Twin Cities, "We toured HGTV’s 2019 Urban Oasis home in Minneapolis, which someone will win," 11 Sep. 2019 But after breaking up with his girlfriend and losing his job, Miller deteriorated and lived out of his car, his sister told jurors. Monivette Cordeiro, orlandosentinel.com, "Everett Miller ‘wanted to make a statement’ in killings of 2 Kissimmee cops, prosecutor tells jurors," 11 Sep. 2019 Amid the political turmoil, the economy of Zimbabwe, traditionally rich in agriculture and minerals, was deteriorating. Farai Mutsaka And Christopher Torchia, USA TODAY, "Robert Mugabe, longtime Zimbabwe leader, dies at 95," 6 Sep. 2019 Amid the political turmoil, the economy of Zimbabwe, traditionally rich in agriculture and minerals, deteriorated. Author: Farai Mutsaka, Christopher Torchia, Anchorage Daily News, "Robert Mugabe, Zimbabwean revolutionary who helped liberate and destroy his country, dies at 95," 6 Sep. 2019 Amid the political turmoil, the economy of Zimbabwe, traditionally rich in agriculture and minerals, was deteriorating. Farai Mutsaka And Christopher Torchia, sun-sentinel.com, "Robert Mugabe, longtime Zimbabwe leader, dies at 95," 6 Sep. 2019 Amid the political turmoil, the economy of Zimbabwe, traditionally rich in agriculture and minerals, deteriorated. Farai Mutsaka And Christopher Torchia, chicagotribune.com, "Robert Mugabe dies at 95: He overthrew white minority rule in Rhodesia, then turned into Zimbabwe’s autocrat," 6 Sep. 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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Statistics for deteriorate

Last Updated

10 Oct 2019

Look-up Popularity

Time Traveler for deteriorate

The first known use of deteriorate was in 1572

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More Definitions for deteriorate

deteriorate

verb

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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Comments on deteriorate

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