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Definition boost in British English

boost verb

[transitive] verb
/buːst/
1

to help something to increase, improve, or become more successful

Example

Their share price climbed again today, boosted by rising sales.

Example

a drug that boosts serotonin levels in the body

Example

an attempt to boost the minister's popularity

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2

to make someone feel more positive or more confident

Example

The change of management has boosted morale throughout the company.

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3

to try to make people want to buy a product, visit a place etc, by talking about it publicly in a very positive way

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4

to lift someone up, so that they can reach something that is high up

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Definition boost in British English