decay 1 of 2

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as in decomposition
the process by which dead organic matter separates into simpler substances the cycle by which the decay of dead plants on the forest floor provides soil and nutrients for the next generation of plants

Synonyms & Similar Words

Antonyms & Near Antonyms

decay

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verb

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Synonym Chooser

How is the word decay different from other verbs like it?

Some common synonyms of decay are decompose, putrefy, rot, and spoil. While all these words mean "to undergo destructive dissolution," decay implies a slow change from a state of soundness or perfection.

a decaying mansion

Where would decompose be a reasonable alternative to decay?

While the synonyms decompose and decay are close in meaning, decompose stresses a breaking down by chemical change and when applied to organic matter a corruption.

the strong odor of decomposing vegetation

In what contexts can putrefy take the place of decay?

In some situations, the words putrefy and decay are roughly equivalent. However, putrefy implies the rotting of animal matter and offensiveness to sight and smell.

corpses putrefying on the battlefield

How are the words rot and decompose related as synonyms of decay?

Rot is a close synonym of decompose and often connotes foulness.

fruit was left to rot in warehouses

When is spoil a more appropriate choice than decay?

The meanings of spoil and decay largely overlap; however, spoil applies chiefly to the decomposition of foods.

keep the ham from spoiling

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 decay
Noun
To believe such a thing would suggest that the epistemic rot, reality decay, and culture of conspiracism are not by-products of a specific politician or political movement, but something deeper—something intrinsic to the platforms, culture, and systems that define our lives. Charlie Warzel, The Atlantic, 16 July 2025 For more than 75 years, community water fluoridation has been studied and proven as a safe and effective public health measure for the prevention of tooth decay. Celeste Ziara, Baltimore Sun, 15 July 2025
Verb
All of this allows Lithgow and Rush to take this decaying senior rivalry to the heights, even veering into campiness as Lithgow stages a musical performance of a children’s song with Jenny as his partner. Pete Hammond, Deadline, 6 Mar. 2025 Each probe is powered by three radioisotope thermoelectric generators (RTGs) fueled by decaying plutonium-238. Andrew Paul, Popular Science, 5 Mar. 2025 See All Example Sentences for decay
Recent Examples of Synonyms for decay
Noun
  • By diplomatic standards, the deterioration has been abrupt.
    Andreas Kluth, Mercury News, 14 Aug. 2025
  • Other economists — such as those at Goldman Sachs Group Inc., Citigroup Inc. and UBS Group AG — interpreted the rapid deterioration in hiring more as a sign of weak labor demand, which would push the Fed to commence with rate reductions at its next policy meeting in September.
    Ashley Lutz, Fortune, 9 Aug. 2025
Verb
  • Calcium-rich eggshells can be added to gardens and houseplant soil to prevent issues like blossom end rot and support plants with higher-than-average calcium needs, such as most nightshades, brassicas, and peperomia.
    Lauren Landers, Better Homes & Gardens, 31 July 2025
  • The cherry fruit flies are known to cause damage and rot that renders the fruit unmarketable.
    Natalie Davies, Freep.com, 26 July 2025
Verb
  • But this week, the situation in Donetsk has rapidly deteriorated, with Russian forces making important advances to the north east of Dobropilia, altering control of the area Witkoff has been discussing with the Kremlin.
    Nick Paton Walsh, CNN Money, 14 Aug. 2025
  • But after the Sriracha-maker callously withheld payments from Underwood, the relationship deteriorated and litigation followed.
    Kate Vitasek, Forbes.com, 14 Aug. 2025
Verb
  • That uptick in sales and streams hasn’t faded just yet, even though the shock has largely worn off.
    Hugh McIntyre, Forbes.com, 7 Aug. 2025
  • The company is already expanding eastward, and backlash over the CEO’s address will fade quickly.
    Phillip Molnar, San Diego Union-Tribune, 7 Aug. 2025
Verb
  • His family confirmed his death to PEOPLE and in a social media statement on Saturday, Aug. 9, one day after a decomposing body was discovered near the area where the teenager was last seen.
    Nicholas Rice, People.com, 10 Aug. 2025
  • However, the man’s face was badly decomposed and his identification by the city medical examiner is still pending.
    Rebecca White, New York Daily News, 4 Aug. 2025
Verb
  • Then dice and mix into leafy green salads with ingredients like nuts, seeds, and crumbled feta for a colorful, nutritious twist.
    Lauren O'Connor, Health, 5 Aug. 2025
  • However, the film often crumbles under the weight of the ambitions.
    Sweta Kaushal, Forbes.com, 5 Aug. 2025
Verb
  • For Trump, whose political brand has long relied on projecting authenticity to his base, a sustained decline in honesty ratings could weaken his ability to roll out his agenda.
    Martha McHardy, MSNBC Newsweek, 13 Aug. 2025
  • This means banana particles can remain between teeth for an extended period, giving bacteria more time to produce acids that weaken tooth enamel.14 6.
    Lindsay Curtis, Verywell Health, 13 Aug. 2025
Verb
  • The flow ran off his bare chest and dripped down toward disintegrating shoes.
    Blake Nelson, San Diego Union-Tribune, 3 Aug. 2025
  • The debris collides with Earth's atmosphere at high speed and disintegrates, creating fiery and colorful streaks in the sky.
    Jenna Prestininzi, Freep.com, 21 July 2025

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Cite this Entry

“Decay.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/decay. Accessed 20 Aug. 2025.

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