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Synonyms

buildup

American  
[bild-uhp] / ˈbɪldˌʌp /
Or build-up

noun

  • buildups
    plural
  1. a building up, as of military forces; increase in amount or number.

  2. a process of growth; strengthening; development.

    the buildup of heavy industry.

  3. an accumulation, as of a particular type of material.

    a buildup of salt deposits.

  4. an increase, as in potential, intensity, or pressure.

    A buildup of suspense began halfway through the movie.

  5. a progressive or sequential development.

    the buildup of helium atoms from hydrogen.

  6. praise or publicity designed to enhance a reputation or popularize someone or something.

    The studio spent $100,000 on the new star's buildup.

  7. a process of preparation designed to make possible the achievement of an ultimate objective.

    a lengthy buildup to a sales pitch.

  8. encouragement; a psychological lift.

    Every time I need a buildup, I look at her picture.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of buildup

1925–30, noun use of verb phrase build up

Explanation

The slow growth or increase of something is a buildup. Over the course of a winter storm, there will be a buildup of snow on the car that's parked in your driveway. The process of something collecting or growing is a buildup, and so is its result. As you buy more and more things with a credit card, you'll see a buildup of debt. And If you venture into your uncle's spooky attic where no one's dared to go for years, there's bound to be a buildup of dust on every surface. Buildup has also come to mean "increasing excitement, preparation, or publicity," like the buildup before Christmas at the mall.

Keep Reading on Vocabulary.com

Vocabulary lists containing buildup

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Amyloid buildup is one of the major biological features associated with Alzheimer's disease.

From Science Daily Jul. 31, 2026

“Fans love drama, buildup, internet gossip, beef and story lines, and I think fighting naturally lends itself to that,” Paul said in an interview with The Wall Street Journal.

From The Wall Street Journal Jul. 30, 2026

I’ve thought about whether AI could eventually play a role of a central banker, detecting bubbles or risk buildup that humans might miss.

From MarketWatch Jul. 27, 2026

It is commonly associated with the buildup of amyloid-β plaques and tau tangles in the brain.

From Science Daily Jul. 26, 2026

There is much buildup to the engagement, and then the book ends quickly with a happy wedding.

From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman

Without global hegemonic ambitions, these countries are less likely to pursue costly military buildups.

From Barron's Apr. 27, 2026

“While we aren’t yet seeing massive on-chain buildups, whales at least appear to have ceased distribution and shifted toward gradual accumulation,” Hasn told MarketWatch.

From MarketWatch Feb. 2, 2026

Staffers routinely rely on satellite data to track down pressure buildups.

From The Wall Street Journal Dec. 26, 2025

These conditions are driven by harmful buildups in the brain made of misfolded amyloid proteins.

From Science Daily Nov. 27, 2025

And the best way to send this message was by massive and ongoing buildups of their stockpiles of nuclear weapons.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau

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