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Definition of boost noun from the Oxford Advanced Learner's Dictionary

boost

noun
 
/buːst/
 
/buːst/
[usually singular]
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  1. something that helps or encourages somebody/something
    • a great/tremendous/welcome boost
    • The tax cuts will give a much needed boost to the economy.
    • Winning the competition was a wonderful boost for her morale.
    Extra Examples
    • The new factory will provide a much-needed boost to the local economy.
    • a boost for British products
    Topics Successb2
    Oxford Collocations Dictionaryadjective
    • big
    • enormous
    • great
    verb + boost
    • give somebody
    • provide (somebody with)
    • get
    preposition
    • boost for
    • boost in
    • boost to
    See full entry
  2. an increase in something
    • a boost in car sales
    • a big boost in exports
    Topics Change, cause and effectb2
    Oxford Collocations Dictionaryadjective
    • big
    • enormous
    • great
    verb + boost
    • give somebody
    • provide (somebody with)
    • get
    preposition
    • boost for
    • boost in
    • boost to
    See full entry
  3. an increase in power in an engine or a piece of electrical equipment
  4. (especially North American English) an act of pushing somebody up from behind
    • He gave her a boost over the fence.
  5. Word Originearly 19th cent. (originally US, in sense (4)): of unknown origin.
See boost in the Oxford Advanced American DictionarySee boost in the Oxford Learner's Dictionary of Academic English

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