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
One study found that, after more than five years without fluoride in drinking water, rates of tooth decay in Antigo, Wisconsin jumped 200% in second grade children, 70% in fourth graders and 91% in sixth graders, according to the AFS. Evan Moore, Charlotte Observer, 21 Feb. 2025 One recent exhibit displayed a series of rough-hewn public fountains that evoked post-apocalyptic decay. Joshua Yaffa, The New Yorker, 13 Mar. 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
  • Submersible visits over the years have shown an increase in its deterioration, with rust and microorganisms eating away at the ship's metal. Dives over more than a decade have shown the ship is falling apart.
    George Petras, USA Today, 11 Apr. 2025
  • That could mean that rate cuts are pushed off until much later this year or even delayed until next year if that deterioration takes time to materialize.
    Colby Smith, New York Times, 7 Apr. 2025
Verb
  • Tulips bulbs left in the ground will rot unless they are planted in an area with good drainage.
    Mary Marlowe Leverette, Southern Living, 9 Apr. 2025
  • While rotting wood needs replacement, the car’s steel frame remains in good condition due to decades of indoor storage, Phalon said.
    David M. Zimmer, USA Today, 8 Apr. 2025
Verb
  • Israel-Turkey relations deteriorated in 2010 after Israeli naval commandos intercepted a humanitarian flotilla attempting to breach the blockade on the Gaza Strip.
    Paul Iddon, Forbes.com, 14 Apr. 2025
  • The ministry said that due to the sweeping tariffs imposed by the U.S., as well as the U.S.-China trade war, the growth outlook for both the U.S. and China will deteriorate.
    Lim Hui Jie, CNBC, 14 Apr. 2025
Verb
  • In the world of fashion, trends emerge and fade quickly, particularly among teenagers.
    Renan Botelho, Footwear News, 9 Apr. 2025
  • Curiosity fades fast when people don’t feel safe to use it.
    Dr. Diane Hamilton, Forbes.com, 9 Apr. 2025
Verb
  • The clippings quickly decompose and return valuable nutrients to the soil.
    Megan Hughes, Better Homes & Gardens, 13 Apr. 2025
  • Authorities allege the teenager fatally shot the couple at their home outside Milwaukee in February and lived with the decomposing bodies for weeks before fleeing with $14,000 cash, passports and the family dog.
    CBS News, CBS News, 13 Apr. 2025
Verb
  • The pitching staff began to crumble beneath a lack of reliable depth.
    Jack Harris, Los Angeles Times, 18 Apr. 2025
  • Both gentlemen were trying to win their first Green Jacket. DeChambeau crumbled while McIlroy had a rollercoaster kind of day, prevailing to win The Masters and complete the career grand slam.
    Josh Hammer, MSNBC Newsweek, 15 Apr. 2025
Verb
  • Agreeing to a pick swap with the Lynx weakened the value of the pick that the Sky traded away.
    Julia Poe, Chicago Tribune, 14 Apr. 2025
  • One by one, the sectors defect, and, eventually, the leader may weaken and their government may fall.
    Julia Angwin, New Yorker, 12 Apr. 2025
Verb
  • Players like Bobby Bonilla, George Foster, Vince Coleman, Jason Bay, Justin Verlander, Kaz Matsui, and others, came to Queens with high hopes that eventually disintegrated.
    Bob Raissman, New York Daily News, 15 Mar. 2025
  • The top courses of the concrete block had disintegrated, and were nothing more than sand and small stones.
    Tim Carter, Hartford Courant, 15 Mar. 2025

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Cite this Entry

“Decay.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/decay. Accessed 22 Apr. 2025.

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