Meaning of BOOST in English


I. boost 1 /buːst/ BrE AmE verb [transitive]

1 . to increase or improve something and make it more successful:

The new resort area has boosted tourism.

boost sb’s confidence/morale/ego

The win boosted the team’s confidence.

2 . ( also boost up ) to help someone reach a higher place by lifting or pushing them:

He boosted her up.

3 . if a ↑ rocket or motor boosts a ↑ spacecraft , it makes it go up into space or go in a particular direction

4 . American English informal to steal something

• • •


■ to make something increase

▪ increase to make something larger in number, amount, or degree:

Being overweight increases the risk of having a heart attack.


We need to increase the number of police officers on the streets.

▪ put something up to increase prices, taxes etc. Put up something is less formal than increase , and is the usual verb to use in everyday English:

The landlord has put the rent up again.


They’re always putting up gas prices.

▪ raise to increase something such as prices or taxes, or levels or standards:

The bank has raised interest rates for the third time this year.


The school aims to raise students’ levels of achievement.

▪ double/triple to increase the amount of something so that it is twice or three times as large:

The airline plans to double the number of passengers it carries by 2015.


High blood pressure triples the risk of strokes.

▪ boost to increase sales, profits, production etc, especially when they have been lower than you want them to be:

Growing affluence has boosted sales.


Oil exports boosted the economy.

▪ expand to increase something so that it contains a wider range of things, or to increase the size of a business:

The company plans to expand its retail operations.


Supermarkets have expanded their ranges to include non-food items.

▪ extend to increase something such as your power or influence, or the number of things you are involved in:

We are hoping to extend the range of services that we offer.


The company plans to extend its dominance of the world car market.

▪ step up something to increase your efforts or activities, especially to change a situation:

Security has been stepped up following the bombing.


Local people have stepped up their campaign to prevent a prison being built in their neighbourhood.

▪ heighten to increase a feeling or effect:

The attack has heightened concerns about racism in schools.


Hunger can heighten the effect that alcohol has on you.

▪ maximize to increase something as much as possible:

Businesses try to maximize efficiency and cut costs.


To maximize the chances of a successful pregnancy, you should make sure that you eat well.

II. boost 2 BrE AmE noun

1 . [singular] something that gives someone more confidence, or that helps something increase, improve, or become successful

boost to

a major boost to the economy

boost for

a multimillion-pound boost for the British film industry

Add a little more vanilla, to give the flavor a boost.

get/receive a boost

The community will get a boost from a new library and recreation center.

morale/ego boost

The poll provided a morale boost for the Conservatives.

2 . give somebody a boost (up) to lift someone so that they can reach a higher place:

If I give you a boost, could you reach the window?

3 . [uncountable] an increase in the amount of power available to a ↑ rocket , piece of electrical equipment etc

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.