dissipation

(noun) breaking up and scattering by dispersion. Example: "The dissipation of the mist."

(noun) dissolute indulgence in sensual pleasure. Synonyms: profligacy, dissolution, licentiousness, looseness.

(noun) useless or profitless activity; using or expending or consuming thoughtlessly or carelessly. Synonyms: waste, wastefulness. Examples: "If the effort brings no compensating gain it is a waste." "Mindless dissipation of natural resources."