Dissipation
WordNet
noun
(1) 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"
(2) Dissolute indulgence in sensual pleasure
(3) Breaking up and scattering by dispersion
"The dissipation of the mist"
WiktionaryText
Noun
- The act of dissipating or dispersing; a state of dispersion or separation; dispersion; waste.
- A dissolute course of life, in which health, money, etc., are squandered in pursuit of pleasure; profuseness in vicious indulgence, as late hours, riotous living, etc.; dissoluteness.
- A trifle which wastes time or distracts attention.
- A loss of energy as heat from a dynamic system