What Do You Call Unnecessary Spending?

What Do You Call Unnecessary Spending? A spendthrift (also profligate or prodigal) is someone who is extravagant and recklessly wasteful with money, often to a point where the spending climbs well beyond his or her means. … What do you call wasteful spending? A spendthrift (also profligate or prodigal) is someone who is extravagant and