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English definition of “rev up (sb/sth)”

rev up (sb/sth)

verb [I or T] uk phrasal verb with rev   /rev/ (-vv-) us  
to become more active, or to make someone or something become more active: The hotel is revving up for the busy summer season. drugs which rev up your nervous systemBusy and activeHurrying and doing things quickly
(Definition of rev up (sb/sth) from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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