accumulation

noun

ə-ˌkyü-m(y)ə-ˈlā-shən How to pronounce accumulation (audio)
Definition of accumulationnext
1
as in collection
a mass or quantity that has piled up or that has been gathered over a period of time a vast accumulation of evidence about the dangers of smoking

Synonyms & Similar Words

Relevance
2
as in accumulating
the act or process of becoming greater in number the accumulation of leaves on the ground is proceeding at a much faster rate than my raking

Synonyms & Similar Words

Antonyms & Near Antonyms

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 accumulation These holes are notorious for getting plugged with debris, worsening water accumulation. — Kamron Sanders, Better Homes & Gardens, 27 Sep. 2026 In short, El Niño is an accumulation of warm water in the eastern Pacific Ocean that reoccurs every two to seven years. — Sean MacAday, Sacbee.com, 27 Sep. 2026 This unique combination maintains all-to-all connectivity while minimizing the typical pitfalls of atom movement, including error accumulation, atom loss, and runtime delays. — Prabhat Ranjan Mishra, Interesting Engineering, 25 Sep. 2026 There is only the slow accumulation of small deferrals, each one individually rational, until the organization is carrying a liability that no single person can see in full. — Jeremy Bradley-Silverio Donato, Forbes.com, 25 Sep. 2026 See All Example Sentences for accumulation
Recent Examples of Synonyms for accumulation
  1. collection
  2. accumulating
  3. mixture
  4. increase
  5. gathering
  6. cumulation
  7. pile
  8. assemblage
Noun
  • Some 37% of Gen Z women kept their collections on view only within their own households, compared with 16% of Gen Z men.
    — Nick Lichtenberg, Fortune, 8 Oct. 2026
  • The series is based upon Helene Tursten’s short story collections An Elderly Lady Is Up To No Good and An Elderly Lady Must Not Be Crossed.
    — Jesse Whittock, Deadline, 8 Oct. 2026
Definition of collection
Noun
  • While snow totals remain uncertain, this storm is forecast to bring colder air and has a better chance of bringing more widespread and meaningful accumulating snow, particularly in the mountains and higher elevations.
    — Alex Lehnert, CBS News, 14 Apr. 2026
Definition of accumulating
Noun
  • Next, add 5 teaspoons of pumpkin pie spice and let the mixture simmer gently for 5 minutes.
    — BestReviews, Chicago Tribune, 2 Oct. 2026
  • Each block of concrete-limestone mixture was hand-rammed by 11 workers to create a distinctive block.
    — Hikmat Mohammed, ARTnews.com, 2 Oct. 2026
Definition of mixture
Noun
  • Verizon is committed to offering a wide variety of diverse programming across our lineup, while also protecting our viewers from unjustified price increases.
    — Michael Schneider, Variety, 1 Oct. 2026
  • Bigger fleet for flight testing Stratolaunch has been expanding its flight operations as demand for hypersonic testing increases.
    — Aamir Khollam, Interesting Engineering, 1 Oct. 2026
Definition of increase
Noun
  • The rooms are designed for gathering, whether that's at the music venue, on the rooftop bar, or in one of the other distinct dining experiences.
    — Condé Nast, Condé Nast Traveler, 7 Oct. 2026
  • The mall was once the city’s economic center and central gathering place, and when Citrus Heights incorporated in the 1990s, the inclusion of the mall and its tax dollars were considered critical to the city’s financial viability.
    — Sacbee.com, Sacbee.com, 6 Oct. 2026
Definition of gathering
Noun
  • The Arts District at Liberty Station is unveiling its latest cumulation of local artistry.
    — Madison Beveridge, San Diego Union-Tribune, 11 Sep. 2026
  • Blending traditional craftsmanship with a sophisticated modern aesthetic, Artur Kulakovsky’s vision is elegantly timeless and the cumulation of generations driven to create beauty for the human form.
    — Rachel Elspeth Gross, Forbes.com, 30 June 2026
Definition of cumulation
Noun
  • Another catalyst could come in December, when CHIPS Act funding restrictions ease, allowing Micron to deploy its growing cash pile toward a significant buyback .
    — Alexa LoMonaco,Jeff Nash, CNBC, 3 Oct. 2026
  • Those are anthology series, however, and one season doesn’t necessarily flow directly from the previous one (the large pile-up of AHS lore aside).
    — Rick Porter, HollywoodReporter, 3 Oct. 2026
Definition of pile
Noun
  • For decades, the Smithsonian Institution, which draws some 15 million visitors every year to its assemblage of 21 museums — bounty that has no real global peer — has managed to stay mostly above the political fray.
    — Alec MacGillis, ProPublica, 24 Sep. 2026
  • There’s the largest assemblage of Lichtenstein mirror works ever installed together in a museum context, and a complete re-creation of his first Pop art show at Leo Castelli’s gallery uptown.
    — Nate Freeman, Vanity Fair, 22 Sep. 2026
Definition of assemblage

Browse Nearby Words

accumulating
accumulation
accumulations
See all Nearby Words

Cite this Entry

“Accumulation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/accumulation. Accessed 8 Oct. 2026.

Copy Citation
Love words? Need even more definitions?

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

Last Updated: - Updated example sentences

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of etiquette

See Definitions and Examples »

Popular in Grammar & Usage

See More

Do You Need a New Language Peeve?

The Exceptions of '-s' and '-es' Plurals

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Do You Need a New Language Peeve?

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
name tags
Words Named After People Quiz Find out who’s behind "leotard," "morphine," an...
See All