deterioration

noun

de·​te·​ri·​o·​ra·​tion di-ˌtir-ē-ə-ˈrā-shən How to pronounce deterioration (audio)
dē-
: the action or process of becoming impaired or inferior in quality, functioning, or condition : the state of having deteriorated
rust deterioration
the deterioration of academic standards
Choose the Right Synonym for deterioration

deterioration, degeneration, decadence, decline mean the falling from a higher to a lower level in quality, character, or vitality.

deterioration implies generally the impairment of value or usefulness.

the deterioration of the house through neglect

degeneration stresses physical, intellectual, or especially moral retrogression.

the degeneration of their youthful idealism into cynicism

decadence presupposes a reaching and passing the peak of development and implies a turn downward with a consequent loss in vitality or energy.

cited love of luxury as a sign of cultural decadence

decline differs from decadence in suggesting a more markedly downward direction and greater momentum as well as more obvious evidence of deterioration.

the meteoric decline of his career after the scandal

Examples of deterioration in a Sentence

the gradual deterioration of the weather a deterioration of academic standards
Recent Examples on the Web These conditions can lead to memory loss, inability to concentrate, and rapid deterioration of the brain. Michael Carroll, Discover Magazine, 3 Apr. 2024 But the fear of gang violence spreading and the deterioration of the country’s economy prompted them to flee to the Dominican Republic. Danielle and Ruth Nesly. Erika Angulo, NBC News, 25 Mar. 2024 The effects of these varied forms of environmental deterioration exact a horrific economic and social cost on hundreds of millions of people. Ramachandra Guha, Foreign Affairs, 20 Feb. 2024 However, the deterioration in housing affordability has been dramatic. Aldo Svaldi, The Denver Post, 15 Feb. 2024 Residents share with me their deep concerns about irresponsible development, affordable housing, homelessness, and the deterioration of city services. Sam Kmack, The Arizona Republic, 10 Feb. 2024 An allergic reaction may become more severe in older adults due to chronic illnesses and the deterioration of organs. Tiffani Jackson, Fort Worth Star-Telegram, 22 Mar. 2024 The result: further deterioration of children's mental state and in their learning outcomes. Maryanne Murray Buechner, Forbes, 24 Feb. 2024 The accelerants cure the grout that seals the tunnel’s concrete supports, helping the grout set properly and protecting the work against cracks and other deterioration. Andy Kalmowitz / Jalopnik, Quartz, 26 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'deterioration.' 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

see deteriorate

First Known Use

circa 1658, in the meaning defined above

Time Traveler
The first known use of deterioration was circa 1658

Dictionary Entries Near deterioration

Cite this Entry

“Deterioration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deterioration. Accessed 18 Apr. 2024.

Medical Definition

deterioration

noun
de·​te·​ri·​o·​ra·​tion di-ˌtir-ē-ə-ˈrā-shən How to pronounce deterioration (audio)
: the action or process of deteriorating : the state of having deteriorated
personality deterioration
neurological deterioration
Last Updated: - Updated example sentences
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