build·​up | \ ˈbild-ˌəp How to pronounce buildup (audio) \

Definition of buildup

 (Entry 1 of 2)

1 : something produced by building up fluid buildup in the lungs
2 : the act or process of building up

build up

built up; building up; builds up

Definition of build up (Entry 2 of 2)

transitive verb

1 : to develop gradually by increments building up endurance built up a library
2 : to promote the health, strength, esteem, or reputation of

intransitive verb

: to accumulate or develop appreciably

Other Words from buildup


builder-upper \ ˈbil-​dər-​ˈə-​pər How to pronounce build up (audio) \ noun

Examples of buildup in a Sentence

Noun There is a big traffic buildup on the highway. You should clean the mechanism regularly to prevent buildup of dirt. Both players were given big buildups before the game. Verb static electricity built up on the cat's fur the roller coaster built up momentum
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Recent Examples on the Web: Noun Officials said the pipe had deteriorated because of a buildup of sulfuric acid, a natural byproduct of organic material breaking down within the closed systems. Los Angeles Times, 3 Jan. 2022 Western nations worried for the past few months over the troop buildup, which totaled around 100,000 troops at its peak in November. Peter Aitken, Fox News, 27 Dec. 2021 Novak recommends using the Redken Hair Cleansing Cream twice a month to gently remove any product buildup, which will keep your hair hue looking fresh. Grace Wade,, 22 Dec. 2021 These are some of my go-to's to address product buildup, itchy scalp, and seasonal dry scalp issues. Patrice Grell Yursik, Better Homes & Gardens, 15 Dec. 2021 Last spring, when there was a similar, though smaller, buildup of Russian troops along the border with Ukraine, the United States responded by offering Putin an in-person summit in Geneva. Washington Post, 7 Dec. 2021 Recent satellite photos show a buildup in equipment, including tanks and artillery. New York Times, 6 Dec. 2021 The particle buildup that causes the charging port in your iPhone not to work. David Kamp, The New Yorker, 1 Dec. 2021 An angiosarcoma that forms on the sac of tissue around the heart can cause fluid buildup within the sac, which can impede the heart’s ability to pump blood and trigger symptoms like chest pain, shortness of breath, and heart palpitations. Carolyn L. Todd, SELF, 29 Nov. 2021 Recent Examples on the Web: Verb To build up our mentor program and to provide better support for our mentors and their mentees. Roxanne De La Rosa, The Arizona Republic, 24 Dec. 2021 Leverage can still build up, but not behind closed doors. WSJ, 23 Dec. 2021 And, many could build up a financial cushion amid the ongoing uncertainty of a once-in-a-century health crisis. Christian Weller, Forbes, 23 Dec. 2021 But, when it's blocked, the fluid can build up and keep the brain from functioning. Korin Miller,, 7 Dec. 2021 Related:Shipping companies build up their efforts to respond to Uber. Sarah Hauer, Milwaukee Journal Sentinel, 1 Dec. 2021 Those specimens are helping build up the institution’s biobank — a library of the viruses that are circulating among animals in the jungle. Los Angeles Times, 15 Nov. 2021 Without any sleep, toxins build up in our brain and can kill us within 200 hours. Gabriela Miranda, USA TODAY, 10 Nov. 2021 With a proper first seasoning, and proper maintenance over time, though, layers of fat (and flavor) will gradually build up on the skillet’s surface, nixing the need for extra oil. Marygrace Taylor, SELF, 6 Nov. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'buildup.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of buildup


1926, in the meaning defined at sense 1


1555, in the meaning defined at transitive sense 1

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Time Traveler for buildup

Time Traveler

The first known use of buildup was in 1555

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Last Updated

16 Jan 2022

Cite this Entry

“Buildup.” Dictionary, Merriam-Webster, Accessed 18 Jan. 2022.

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More Definitions for buildup



English Language Learners Definition of buildup

: an increase in something that occurs as time passes
: things that are said to cause people to feel excited about something (such as a future event) or someone (such as a performer)
: a series of things that lead to an important event or occurrence


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