build up
Britishverb
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(tr) to construct gradually, systematically, and in stages
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to increase, accumulate, or strengthen, esp by degrees
the murmur built up to a roar
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(intr) to prepare for or gradually approach a climax
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(tr) to improve the health or physique of (a person)
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(tr, usually passive) to cover (an area) with buildings
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(tr) to cause (a person, enterprise, etc) to become better known; publicize
they built several actresses up into stars
noun
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progressive increase in number, size, etc
the build-up of industry
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a gradual approach to a climax or critical point
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the training and practice that constitutes the preparation for a particular event or competition
the team's Olympic build-up
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extravagant publicity or praise, esp in the form of a campaign
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military the process of attaining the required strength of forces and equipment, esp prior to an operation
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Fill an area with houses or other buildings, urbanize. For example, We want to protect the wetlands against those who want to build up the area . [c. 1400]
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Gradually develop, increase in stages. For example, I want to build up my endurance for the race . [Early 1700s]
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Accumulate or collect, as in A lot of rust has built up on the farm machinery . [Mid-1900s]
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Increase, strengthen, develop toward, as in The sound built up until it was nearly deafening , or His argument was building up to a grand climax . [c. 1930]
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Establish or enhance a reputation; praise or flatter. For example, Months before the official campaign could begin, they had been building up the senator's image . [c. 1930]
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.
Conroy says they plan to overpay their mortgage for the first five years to build up more equity in their home.
From BBC ● Sep. 17, 2026
DNA repair is especially important because genetic damage can build up over time.
From Science Daily ● Sep. 9, 2026
The announcement is also the latest tie-up between Germany's ailing auto industry and the defence sector, which is booming as countries build up their militaries to face an increasingly dangerous world.
From Barron's ● Sep. 7, 2026
“The Polish government is pragmatic, and they are trying to build up the equity market and household participation in it.”
From MarketWatch ● Sep. 3, 2026
“Of course I can, but I ought to know how urgent it is. I’ve wondered when you’d build up a tolerance.”
From "Strange the Dreamer" by Laini Taylor
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.