ACCRETION Synonyms: 92 Similar and Opposite Words

accretion

noun

ə-ˈkrē-shən

Definition of accretion

as in accumulation

a mass or quantity that has piled up or that has been gathered over a period of time a thick accretion of ice in a freezer that obviously had not been cleaned for some time

Synonyms & Similar Words

Relevance

as in increase

something added (as by growth) accretions of lime have thickened the cave's stalactites and stalagmites over the centuries

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 accretion Paralleling this fiery drama is a slower accretion of changes to the city’s fabric, which convey an almost tectonic sense of time’s passage. — Julian Lucas, New Yorker, 22 June 2026 The clearest examples of margin accretion from AI adoption come from companies where the AI application is direct and the output is measurable. — Jason Kirsch, Forbes.com, 20 May 2026 Streaming algorithms by definition cannot manufacture that kind of slow accretion of cultural meaning. — Nick Lichtenberg, Fortune, 9 May 2026 Both insertions — one for art, the other for movement — negotiate with the museum’s history of accretion. — Justin Davidson, Curbed, 4 May 2026 See All Example Sentences for accretion

Recent Examples of Synonyms for accretion

Noun

Ice accumulation poses a serious threat to aircraft because even a thin layer can disrupt airflow over the wings, reducing lift and making a plane more difficult to control.

— Stephen Sorace, FOXNews.com, 15 Oct. 2026
Researchers at Washington University found markedly different gut microbiomes in people at the earliest preclinical stages of Alzheimer’s, differences correlated with amyloid and tau accumulation before any cognitive symptoms appeared.

— Holly Baines, STAT, 14 Oct. 2026

Definition of accumulation

Noun

The third such increase went into effect this month, but this time there was no such rush.

— Andrew Edgecliffe-Johnson, semafor.com, 16 Oct. 2026
The result is a modest but welcome increase in output, which climbs from 370 hp to 388 hp, while torque remains unchanged at 331 ft lbs.

— Bradley Iger, Robb Report, 16 Oct. 2026

Definition of increase

Noun

Trine Dyrholm, Christian Slater, Dree Hemingway are set to star in Jesper Just’s Incidents of Intimacy, the second production in Zentropa’s new collection of Dogma25 pictures.

— Melanie Goodfellow, Deadline, 15 Oct. 2026
Kaeding also said the inspiration for the latest collection came from finding pieces in vintage stores and digging through bins.

— Kanika Talwar, Footwear News, 15 Oct. 2026

Definition of collection

Noun

If the answer is yes, the efficiency gain may be a competitive loss in disguise.

— Matt Alt, Fortune, 18 Oct. 2026
Student test scores in the largest Sacramento-region school districts generally show a similar pattern of modest gains the recent years, but achievement levels in most cases are below the pre-pandemic scores of 2018-19.

— Chaewon Chung October 17, Sacbee.com, 17 Oct. 2026

Definition of gain

Noun

Over the record’s 33 minutes, Holden delivers an outstanding addition to his catalog that’s as absorbing and realist as any rap album this year.

— Matthew Ritchie, Pitchfork, 15 Oct. 2026
The Danish Dogma25 projects are financed in a collaboration between Zentropa, DR, and Nordisk Film Distribution, with the addition of Netflix in the Nordics, constituting the core financing necessary to realize all five projects.

— Melanie Goodfellow, Deadline, 15 Oct. 2026

Definition of addition

Noun

Nvidia has given its frame-generation tech a boost with a new performance mode, available now in the beta release of the Nvidia app.

— Jon Martindale, PC Magazine, 14 Oct. 2026
Back then, Pritzker was able to spend tens of millions to give Bailey a boost because the billionaire Democrat viewed him as an easier opponent.

— Chris Tye, CBS News, 14 Oct. 2026

Definition of boost

Browse Nearby Words

accreting

accretion

accretions

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Style

“Accretion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/accretion. Accessed 20 Oct. 2026.

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Synonyms of accretion

noun

Example Sentences

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