extravagance

 
Pronunciation: /ɪkˈstravəg(ə)ns, ɛk-/

noun

[mass noun]
  • lack of restraint in spending money or using resources: his reckless extravagance with other people’s money
  • [count noun] a thing on which too much money has been spent or which has used up too many resources: salmon trout is an unnecessary extravagance
  • excessive elaboration: the extravagance of the decor

Derivatives

extravagancy

noun

Origin:

mid 17th century: from French, from medieval Latin extravagant- 'diverging greatly', from the verb extravagari (see extravagant)