WASTEFULNESS

waste, wastefulness, dissipation

(noun) useless or profitless activity; using or expending or consuming thoughtlessly or carelessly; “if the effort brings no compensating gain it is a waste”; “mindless dissipation of natural resources”

thriftlessness, waste, wastefulness

(noun) the trait of wasting resources; “a life characterized by thriftlessness and waste”; “the wastefulness of missed opportunities”

Source: WordNet® 3.1

Etymology

Noun

wastefulness (countable and uncountable, plural wastefulnesses)

imprudent or excessive expenditure or the waste of resources

Source: Wiktionary