ex·trav·a·gance /ɪkˈstrævɪgən(t)s/
  奢侈,浪費,放肆的言行
  Ex·trav·a·gance n.
  1. A wandering beyond proper limits; an excursion or sally from the usual way, course, or limit.
  2. The state of being extravagant, wild, or prodigal beyond bounds of propriety or duty; want of moderation; excess; especially, undue expenditure of money; vaid and superfluous expense; prodigality; as, extravagance of anger, love, expression, imagination, demands.
     Some verses of my own, Maximin and Almanzor, cry vengeance on me for their extravagance.   --Dryden.
     The income of three dukes was enough to supply her extravagance.   --Arbuthnot.
  Syn: -- Wildness; irregularity; excess; prodigality; profusion; waste; lavishness; unreasonableness; recklessness.
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  extravagance
       n 1: the quality of exceeding the appropriate limits of decorum
            or probability or truth; "we were surprised by the
            extravagance of his description" [syn: extravagancy]
       2: the trait of spending extravagantly [syn: prodigality, profligacy]
       3: excessive spending [syn: prodigality, lavishness, highlife,
           high life]