overconsumption

noun

over·​con·​sump·​tion ˌō-vər-kən-ˈsəm(p)-shən 

: excessive consumption or use of something

the overconsumption of fossil fuels

overconsumption of alcohol

The flip side of deficient saving, of course, is overconsumption. At its peak in 1987, household expenditure as a percentage of national income was 74%, almost four percentage points above the highest levels reached during the previous two decades.

—Robert S. Gay

Word History

First Known Use

1826, in the meaning defined above