Definition of buildup
- fluid buildup in the lungs
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.
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.
static electricity built up on the cat's fur
the roller coaster built up momentum
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