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boost

noun [C usually singular]
 
 
/buːst/

Definition

B2 the act of boosting something: The lowering of interest rates will give a much-needed boost to the economy. Passing my driving test was such a boost to my confidence.Increasing and intensifyingMaking things betterBecoming better
(Definition of boost noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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