Definition of build up phrasal verb from the Oxford Advanced American Dictionary

 

build up

 phrasal verb
phrasal verb
 
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Thesaurusbuildconstruct assemble put something together erect put something up establishThese words all mean to make or create something, especially by putting different parts together.build to make something, especially a building, by putting parts together:a house built of stone They're going to build a museum on the site of the old power plant.construct [often passive] (somewhat formal) to build something such as a road, building, or machineassemble (somewhat formal) to fit together all the separate parts of something, such as a piece of furniture or a machine:The cupboard is easy to assemble.put something together to make or prepare something by fitting or collecting parts together:to put together a model planeerect (formal) to build something; to put something in position and make it stand upright:Police had to erect barriers to keep crowds back.put something up to build something or place something somewhere:I put up a fence so that my dog would have somewhere to exercise.establish to create an organization or place that is meant to last for a long time:President Roosevelt established the first national park at Yellowstone.Patterns to build/construct/erect/put up a house/wall to build/construct/erect/put up some shelves to build/construct/erect/put up a barrier/fence/shelter to build/assemble a(n) engine/machine to build/construct a road/railway/railroad/tunnel to erect/put up a tent/statue/monument/memorialPhrasal Verbs

build up (to something)

 
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to gradually become greater, more powerful, or larger in number or quantity The pressure had built up, and he was out of work for weeks from stress. The music builds up to a rousing climax. She had been away for several weeks and dust had built up on all the furniture. related noun buildup

build somebody/something up

[usually passive]
 
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to give a very positive and enthusiastic description of someone or something, often exaggerating your claims The play was built up to be a masterpiece, but I found it very disappointing. related noun buildup

    build somethingup

     
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  1. 1to create or develop something She's built up a very successful business. These finds help us build up a picture of life in the Middle Ages. I am anxious not to build up false hopes (= to encourage people to hope for too much). The gallery has built up a fine collection of contemporary art. We've built up good relationships with our clients.
  2. 2 to make something higher or stronger than it was before The border defenses have been built up to ensure that such a disaster will not strike again.
See the Oxford Advanced Learner's Dictionary entry: build up