prodigality

The quality of being prodigal; extravagance in expenditure, particularly of money; profusion; waste.

Excessive or profuse liberality.

Synonyms Wastefulness, lavishness, squandering. See extravagant.

Extravagance in expenditure, particularly of money; excessive liberality; profusion; waste; — opposed to frugality, economy, and parsimony.

wasteful extravagance

lavish generosity

excessive spending

the trait of spending extravagantly