noun (n)

• the trait of spending extravagantly(noun.attribute)

  Synonym:
  extravagance, profligacy
  

  source: wordnet30
• excessive spending(noun.act)

  Synonym:
  extravagance, high life, highlife, lavishness
  

  source: wordnet30
• Extravagance in expenditure, particularly of money; excessive liberality; profusion; waste; -- opposed to frugality, economy, and parsimony.(noun)

  source: webster1913