build

build — verb

1. to make a structure such as a house or bridge by joining materials together.

1.verbtransitive / intransitiveA2
Definition

to make a structure such as a house or bridge by joining materials together.

Example

Workers built a stone bridge across the river before the winter storms arrived.

build + structure noun

Aiko and her father built a tree house behind the garage last summer.

build + place for living or play

Common collocations
  • build a house
  • build a bridge
  • build a wall
  • build with brick
Synonyms
  • construct

    more formal; common in engineering and official contexts

  • put up

    more conversational; often used for buildings and tents

  • erect

    formal; used especially for large structures

Antonyms
  • demolish

    to destroy a structure completely

  • tear down

    common everyday phrase for removing a building

Grammar Patterns

build + noun (house, bridge, wall)

build + with/from + material

Usage Note

Used for physical structures or places made from materials. It can also appear without an object when the activity is understood, as in 'They build for a living.'

Common Mistakes

They builded a fence last year.
They built a fence last year.
the past tense and past participle are 'built', not 'builded'.

2. to slowly create and strengthen something through time, effort, or repeated acti

2.verbtransitiveB1
Definition

to slowly create and strengthen something through time, effort, or repeated action.

Example

Mei built a loyal customer base by answering every message herself.

build + customer base

Years of late practice built Hana's confidence before the piano contest.

build + confidence

Common collocations
  • build trust
  • build confidence
  • build a business
  • build links
Synonyms
  • develop

    broader and slightly more neutral

  • establish

    stresses making something firmly exist

  • strengthen

    focuses on making something stronger rather than simply creating it

Antonyms
  • weaken

    to make something less strong

  • damage

    to harm trust, reputation, or another growing thing

Grammar Patterns

build + noun (trust, confidence, business, reputation)

Usage Note

The object is usually something that grows step by step, such as trust, strength, a business, or a reputation. Distinguish from sense 4, where the feeling or pressure becomes stronger by itself.

Common Mistakes

She built a strong business in one afternoon.
She built a strong business over several years.
this sense usually suggests gradual growth, not an instant result.

3. to make a finished object or system by joining pieces or by carrying out each st

3.verbtransitiveB1
Definition

to make a finished object or system by joining pieces or by carrying out each stage in order.

Example

Ravi built the bookcase from flat boards and a bag of screws.

build + object + from + parts

The students built a small robot by following the guide step by step.

build + by following instructions

Common collocations
  • build a robot
  • build a website
  • build from a kit
  • build step by step
Synonyms
  • assemble

    focuses on joining prepared parts together

  • make

    more general and less specific about parts or process

  • put together

    informal; often used for kits or simple objects

Antonyms

Grammar Patterns

build + noun (robot, shelf, website, model)

build + noun + from + parts/materials

Usage Note

This sense is common for products, machines, models, and digital systems. Distinguish from sense 1, which is mainly about structures such as houses, roads, and bridges.

Common Mistakes

We built the machine with hand.
We built the machine by hand.
use 'by hand' to show that people, not machines, did the work.

4. to become greater or more powerful little by little, especially of feelings, pre

4.verbintransitiveB2
Definition

to become greater or more powerful little by little, especially of feelings, pressure, or support.

Example

As the final song began, excitement built across the packed stadium.

intransitive: emotion builds

Dark clouds gathered, and tension built in the fishing village.

build + in + place

Common collocations
  • tension builds
  • pressure builds
  • support builds
  • excitement builds
Synonyms
  • grow

    broader and more neutral

  • mount

    often used for pressure, anger, or evidence

  • gather

    often suggests something slowly coming together

Antonyms
  • fade

    to become weaker or less noticeable

  • ease

    to become less strong, especially of pain or tension

Grammar Patterns

build + adverb

build + in/inside/across + place

build to + climax/peak

Usage Note

This sense does not take a direct object. The subject is usually a feeling, a crowd reaction, support, or pressure that rises on its own.

Phrasal verbs

build around

phrasal verb

To create or develop something with a particular person or thing as its main focus.

The company built its marketing strategy around customer feedback.

They built the entire course around a single textbook.

build in

phrasal verb

To include something as a permanent part of a structure, plan, or system.

The architect built in extra storage space under the stairs.

We should build in some flexibility to the schedule.

build into

phrasal verb

To make something a permanent part of a larger structure, system, or plan.

Safety features were built into the design of the new car.

The company built a reward system into its employee policies.

build on

phrasal verb

To use something as a base for further development or progress.

The teacher built on the students' existing knowledge of math.

We can build on last year's success to grow the business.

build onto

phrasal verb

To add a new part to an existing building or structure.

The family built onto their house to create a larger kitchen.

They plan to build onto the garage to fit two cars.

build up

phrasal verb

To increase or develop something gradually over time.

Regular exercise helps build up muscle strength.

She built up a successful business from nothing.

build up to

phrasal verb

To prepare for or gradually reach a climax or important event.

The tension built up to the final scene of the movie.

The campaign built up to the election day with rallies.

Idioms

To make plans or have dreams that are impossible or very unlikely to happen.

Mia spent her youth building castles in the air about becoming a famous singer.

Instead of building castles in the air, focus on achievable goals.

Used to say that important or difficult tasks take a long time and cannot be done quickly.

Don't worry about slow progress; Rome wasn't built in a day.

Learning a new language takes time—Rome wasn't built in a day.

build — noun

Word family

Synonym discussion

Sense: verb/2

For this sense, build stresses slow growth from steady effort. You build trust, confidence, a customer base, or a reputation piece by piece. Develop is broader and can describe natural change as well as planned improvement, so it often sounds less concrete. Establish focuses on getting something firmly started or accepted, especially a business, system, or rule. Create is the widest verb of all: it can mean bringing something into existence, even if the process is quick. Strengthen overlaps when the thing already exists and becomes harder to break or damage. Compare: 'Mei built trust with her clients over time.' 'The school established a new lunch program in April.'

Common collocations

Phrases

  • build from scratch
  • build over time
  • build to a climax
  • solid build

Prepositions

Etymology

Proto-Indo-EuropeanProto-GermanicOld EnglishMiddle EnglishEnglish

The verb goes back to late Old English byldan or bytlian, a word connected with botl, meaning a dwelling or house. In its earliest use, it referred mainly to putting up a house. During Middle English, it became the usual verb for constructing something, replacing older forms in many contexts. From that physical idea, English later extended build to making objects, developing businesses and relationships, and describing feelings or pressure that rise step by step. The noun senses grew from the verb, first for a structure or manner of construction, and later for body shape and software versions.