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English definition of “perk up”

perk up

verb [I or T] uk phrasal verb with perk   /pɜːk/ us    /pɝːk/ informal
to improve or become more exciting: Share prices perked up slightly before the close of trading.Becoming betterMaking things betterMaking progress and advancingMaking things betterBecoming better
(Definition of perk up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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