Open English Wordnet
Nouns
(n)thriftlessness, waste, wastefulnessthe trait of wasting resources“a life characterized by thriftlessness and waste”, “the wastefulness of missed opportunities”
(n)waste, wastefulness, dissipationuseless 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”