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English definition of “mumbo jumbo”

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mumbo jumbo

noun [U] uk   /ˌmʌm.bəʊˈdʒʌm.bəʊ/ us    /-boʊˈdʒʌm.boʊ/ informal
words or activities that seem complicated or mysterious but have no real meaning: You don't believe in horoscopes and all that mumbo jumbo, do you?
(Definition of mumbo jumbo from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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