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English definition of “dream sth up”

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dream sth up

verb uk phrasal verb with dream   /driːm/ (dreamed or dreamt, dreamed or dreamt) us  
to invent something very unusual and usually silly: This is the latest ploy dreamed up by advertising companies to sell their new products.
(Definition of dream sth up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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