Definition of deteriorationnext
1
2

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 The character's physical and spiritual deterioration is part of what drew Nam in. Hannah Abraham, Forbes.com, 29 July 2026 Many will require a strict diet because their owners would often have fed them the wrong food, weakening an animal's immune system and causing physical deterioration. ABC News, 29 July 2026 Over the course of August, the sunflower heads will progress in deterioration, drying out and letting their seeds fall. Kansas City Star, 27 July 2026 The first round of the kinetic war between the US and Iran did result in a deterioration in the global growth data, as seen in the Citibank global growth surprise index. Jim Edwards, Fortune, 23 July 2026 See All Example Sentences for deterioration
Recent Examples of Synonyms for deterioration
Noun
  • Then slow weakening is forecast as the storm moves over cooler waters and encounters dry air and wind shear.
    Dinah Voyles Pulver, USA Today, 12 Aug. 2026
  • But lawmakers overrode those objections, and the disputes ultimately reached the Supreme Court, which environmental advocates increasingly view as the last line of defense against the weakening of environmental protections in Brazil.
    ABC News, ABC News, 11 Aug. 2026
Noun
  • There could be IoT solution or sensor degradation, connectivity issues and hallucinations because of poor update procedures and more.
    Punnam Raju Manthena, Forbes.com, 10 Aug. 2026
  • However, its natural habitat is at risk of degradation because of human activities such as aquaculture, conversion of forest and wetlands into farmlands, and infrastructure development.
    Encyclopedia Britannica, Encyclopedia Britannica, 6 Aug. 2026
Noun
  • Voyager 2 and its twin launched in 1977, called Voyager 1, rely on a form of nuclear battery known as a radioisotope thermoelectric generator that uses the heat produced by the decay of plutonium.
    Elizabeth Howell, Space.com, 7 Aug. 2026
  • Tritium undergoes radioactive decay, emitting particles that can degrade porous materials over time.
    Aman Tripathi, Interesting Engineering, 7 Aug. 2026
Noun
  • This decline could affect the annual value of his next contract.
    Bernie Pleskoff, Forbes.com, 13 Aug. 2026
  • Overall, patients who took estrogen-only hormone therapy for menopause were less likely to display signs of memory loss or cognitive decline or to be diagnosed with dementia.
    Jackie Flynn Mogensen, Scientific American, 12 Aug. 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
  • The declinations came as the DOJ reassigned and cut prosecutors working on environmental cases.
    Ken B. Morales, ProPublica, 31 Mar. 2026
  • 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

Browse Nearby Words

Cite this Entry

“Deterioration.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deterioration. Accessed 13 Aug. 2026.

More from Merriam-Webster on deterioration

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster