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English definition of “extravagance”

extravagance

noun uk   /ɪkˈstræv.ə.ɡəns/ us  
[U] behaviour in which you spend more money than you need to: I think she was shocked by my extravagance.UncontrolledPaying and spending money [C] something expensive that you buy even though you do not need it: Perfume is my greatest extravagance.BuyingExpensive and luxuriousCosting too much
(Definition of extravagance from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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