buildup or build-up

Meanings

1. 1nouncountable

   A gradual increase in the amount, size, or strength of something over a period of time.

   Grammar: Usually singular with "a" or "the", and often followed by "of" or "in": a buildup of pressure, a buildup in demand.

   Patterns

   • a buildup of something
   • a buildup in something
   • the buildup to something

   There has been a steady buildup of traffic on this road over the past ten years.

   Scientists are worried about the buildup of carbon dioxide in the atmosphere.

   The buildup in demand for housing pushed prices up sharply.

2. 2nounsingular

   The period of preparation and growing excitement just before an important event.

   Grammar: Almost always used as "the buildup to something"; the event itself comes after "to".

   Patterns

   • the buildup to something
   • a big buildup
   • without any buildup

   The buildup to the election lasted several months.

   There was a huge buildup to the concert, and fans queued for days.

   After all the buildup to the match, the game itself was rather dull.

3. 3nouncountablemedicaltechnical

   The gradual development of a substance or condition inside the body or a machine.

   Grammar: Common in medical and technical writing, usually as "a buildup of" plus the substance.

   Patterns

   • a buildup of plaque
   • a buildup of fluid
   • a buildup of dirt

   The scan showed a dangerous buildup of fluid around the heart.

   Regular cleaning prevents a buildup of dirt inside the engine.

   Doctors warn that a buildup of cholesterol can narrow the arteries.

4. 4nounsingularinformal

   Praise or publicity that makes people expect something to be very good.

   Grammar: Informal and often slightly critical; frequently in the phrase "a big buildup".

   Patterns

   • a big buildup
   • give something a buildup
   • live up to the buildup

   The film got a big buildup in the press, but audiences were disappointed.

   He gave the new restaurant a huge buildup, so we expected something amazing.

   The product never lived up to all the buildup it received.

Word forms

Common combinations

a gradual buildup

There was a gradual buildup of pressure in the pipes.

a steady buildup

The team enjoyed a steady buildup of support during the season.

the buildup to something

The buildup to the wedding lasted all year.

a buildup of pressure

Engineers measured the buildup of pressure inside the tank.

a big buildup

The singer got a big buildup before her first tour.

military buildup

The region saw a military buildup along the border.

Synonyms and how they differ

increase

Neutral and general; "buildup" suggests a slower, more continuous process, often with a sense of pressure or expectation.

growth

Focuses on becoming larger and is common in business and biology, while "buildup" often implies something accumulating that may be unwanted.

accumulation

More formal and technical, and it stresses things piling up over time rather than the process of increasing.

hype

Informal and usually negative; it refers only to publicity and excitement, not to physical increases.

Opposites

Word family

build verb

to make something by putting parts together.

builder noun

a person or company that constructs buildings.

building noun

a structure with walls and a roof.

built-up adjective

describing an area densely filled with buildings.

Commonly confused: buildup or build-up or build up?

Practice

Make it your own

Write a sentence using “buildup or build-up”, then check it and compare it with the examples above.

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