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 This was largely driven by a sharp spike in rates rather than credit deterioration, the firm found. — Darla Mercado, Cfp®, CNBC, 22 Oct. 2026 The structure has since dealt with deterioration and water infiltration over decades, according to Historic KC. — Chris Higgins, Kansas City Star, 20 Oct. 2026 The polling firm’s subsequent reports describe a steady deterioration in sentiment as the months passed and expectations of a democratic transition remains unfulfilled. — Antonio María Delgado, Miami Herald, 20 Oct. 2026 Behind every dashboard sits a care team deciding whether a change is a normal fluctuation or an early sign of deterioration. — Ayush Jain, Forbes.com, 20 Oct. 2026 See All Example Sentences for deterioration
Recent Examples of Synonyms for deterioration
Noun
  • The latest weakening of criteria is baffling if not unsurprising given the agency’s pitifully weak, unserious leadership.
    — Diana Urban, Hartford Courant, 27 Oct. 2026
  • The hurricane center said the storm's intensity could fluctuate over the next few days but would likely maintain hurricane strength through Thursday, with gradual weakening forecast thereafter.
    — CBS News, CBS News, 13 Oct. 2026
Noun
  • Another factor is the degradation of Russia’s refinery infrastructure, which has sustained considerable damage from Ukrainian attacks.
    — Business Columnist, Los Angeles Times, 2 Nov. 2026
  • Oxford Economics found that 47% of technology leaders said customers are often the first to detect service degradation or outages.
    — Rohan Joshi, Forbes.com, 30 Oct. 2026
Noun
  • But he was plagued by guilt over his ancestor’s role in the trials, and felt compelled to explore themes of human character, greed, and social decay through his work.
    — Literary Hub, Literary Hub, 23 Oct. 2026
  • About 1 in 5 adults ages 20 to 64 has at least one untreated cavity, and nearly all adults 65 and older have dealt with tooth decay at some point, according to the Centers for Disease Control and Prevention.
    — Ryan Brennan, Sacbee.com, 20 Oct. 2026
Noun
  • And Musk’s businesses took a hit on Wednesday after already seeing declines in overnight trading.
    — Zach Halaschak, The Washington Examiner, 5 Nov. 2026
  • Consequently, industry experts emphasize that underlying supply tightness remains unchanged, suggesting overnight crude price declines reflect short term market sentiment reactions to election results rather than shifting fundamentals.
    — , CNBC, 5 Nov. 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
  • To me, the two nude figures in languid declination seemed, saliently, to be melting in the heat of a summer day, but their triton-wielding and breast-cupping poses must certainly have also invited debate centuries before.
    — Scott Laird, Travel + Leisure, 17 Sep. 2026
  • The declinations came as the DOJ reassigned and cut prosecutors working on environmental cases.
    — Ken B. Morales, ProPublica, 31 Mar. 2026

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Cite this Entry

“Deterioration.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deterioration. Accessed 6 Nov. 2026.

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