1
: something produced by building up
fluid buildup in the lungs
2
: the act or process of building up
built up; building up; builds up
1
: to develop gradually by increments
building up endurance
built up a library
2
: to promote the health, strength, esteem, or reputation of
: to accumulate or develop appreciably
Synonyms
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
Recent Examples on the Web
Liam Courtney-Davies, Discover Magazine, 14 Nov. 2024
The company used $0.1 million in cash flow from operations during the third quarter of 2024, primarily due to a buildup of inventory resulting from unfavorable product pricing and limited export opportunities.
—Quartz Bot, Quartz, 14 Nov. 2024
Todd Boss, Forbes, 5 Nov. 2024
For example, the whitening agent titanium dioxide in soups and dairy products can build up in the body and even damage DNA.
European countries take a much more precautionary approach to additives in their food, Benesh says.
—Jonquilyn Hill, Vox, 5 Nov. 2024
See all Example Sentences for buildup 
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Noun
Eventually, a buildup of carbon dioxide from volcanic outgassing may have warmed the planet again.
—Liam Courtney-Davies, Discover Magazine, 14 Nov. 2024
The company used $0.1 million in cash flow from operations during the third quarter of 2024, primarily due to a buildup of inventory resulting from unfavorable product pricing and limited export opportunities.
—Quartz Bot, Quartz, 14 Nov. 2024
Verb
Meanwhile, Newman has a sizeable lead already built up irrespective of his results in the last two events and seems impossible to catch.
Prediction: Garnett claims the 16th spot and Ignatowich/Loong miss out.
—Todd Boss, Forbes, 5 Nov. 2024
For example, the whitening agent titanium dioxide in soups and dairy products can build up in the body and even damage DNA.
European countries take a much more precautionary approach to additives in their food, Benesh says.
—Jonquilyn Hill, Vox, 5 Nov. 2024
See all Example Sentences for buildup
Dictionary Entries Near buildup
Cite this Entry
“Buildup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buildup. Accessed 23 Nov. 2024.
Copy CitationKids Definition
buildup
noun
build·up
ˈbil-ˌdəp 
1
: something produced by building up
2
: the act or process of building up
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