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English definition of “liven (sb) up”

liven (sb) up

verb uk phrasal verb with liven   /ˈlaɪ.vən/ us  
to become more energetic or in a better mood, or to make someone feel this way: She was a bit subdued to start with, but after a while she livened up. I'm going to liven myself up a bit by going for a run.Making things betterBecoming better
(Definition of liven (sb) up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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