Definition of deteriorationnext
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Synonym Chooser

How does the noun deterioration differ from other similar words?

Some common synonyms of deterioration are decadence, decline, and degeneration. While all these words 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

When can decadence be used instead of deterioration?

In some situations, the words decadence and deterioration are roughly equivalent. However, 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

How do decline and decadence relate to one another, in the sense of deterioration?

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

When could degeneration be used to replace deterioration?

The words degeneration and deterioration are synonyms, but do differ in nuance. Specifically, degeneration stresses physical, intellectual, or especially moral retrogression.

the degeneration of their youthful idealism into cynicism

Example Sentences

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.
Recent Examples of deterioration European equities rose despite new data showing a deterioration in economic confidence in the wake of the the Iran conflict. Joseph Wilkins,holly Ellyatt, CNBC, 30 Mar. 2026 That these bones were assessed as potentially centuries old speaks to the level of deterioration observed by investigators. Ryan Brennan, Fort Worth Star-Telegram, 27 Mar. 2026 The subsequent deterioration in embryos that had been in microgravity for up to 24 hours was likely due to negative effects the absence of gravity has on the processes taking place in the quickly dividing embryonic cells. Tereza Pultarova, Space.com, 27 Mar. 2026 Jeffery’s lab studies the ageing retina, in which functional decline correlates with mitochondrial deterioration. Lynne Peeples, Scientific American, 26 Mar. 2026 See All Example Sentences for deterioration
Recent Examples of Synonyms for deterioration
Noun
  • Higher energy prices are also expected to widen India’s current account deficit, which has contributed to a weakening of the local currency, with the rupee touching record lows in recent days.
    Priyanka Salve, CNBC, 24 Mar. 2026
  • Another displacement or weakening of the polar vortex is underway, which can allow bursts of Arctic air to spill into the Midwest and Northeast at times, according to AccuWeather lead long-range meteorologist Paul Pastelok.
    Doyle Rice, USA Today, 12 Mar. 2026
Noun
  • Using a combination of durable ceramic materials and specialized membranes, the filtration unit can remove extremely small contaminants while maintaining stable operation through a self-cleaning thermal mechanism that prevents buildup and degradation over time.
    Prabhat Ranjan Mishra, Interesting Engineering, 30 Mar. 2026
  • Coupled with a significant degradation of Iranian military power, something already underway, these objectives would constitute an acceptable end to the war.
    Colin Pascal, Baltimore Sun, 29 Mar. 2026
Noun
  • If a single atom of that sample decays, the vial breaks, and the cat dies.
    Camila Domonoske, NPR, 27 Mar. 2026
  • The universe, however, consists of matter but almost no antimatter, which exists naturally only in small quantities, created by radioactive decay and cosmic ray collisions.
    Jacopo Prisco, CNN Money, 27 Mar. 2026
Noun
  • Estrogen decline is linked to higher total cholesterol, low-density lipoprotein (LDL), and triglycerides.
    Amy Brownstein, Verywell Health, 1 Apr. 2026
  • Microsoft saw its stock fall 23% over the first quarter, more than the 7% decline of the tech-heavy NASDAQ, marking the worst quarter for its share price since 2008.
    Tom Chivers, semafor.com, 1 Apr. 2026
Noun
  • For the study, Ruotsalainen measured the Q values of two double-beta decaying and one beta-decaying nucleus.
    Georgina Jedikovska, Interesting Engineering, 8 Oct. 2025
Noun
  • Federal regulations require special counsels to provide the attorney general with a report that explain prosecution or declination decisions once their work is concluded.
    Jacob Rosen, CBS News, 23 Feb. 2026
  • Of the 395 complaints the division received, 306 were resolved through determinations or declinations.
    Editorial, Boston Herald, 9 Feb. 2026

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Cite this Entry

“Deterioration.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deterioration. Accessed 3 Apr. 2026.

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