"dissipation" in the noun sense
1. dissipation
breaking up and scattering by dispersion
"the dissipation of the mist"
2. profligacy, dissipation, dissolution, licentiousness, looseness
dissolute indulgence in sensual pleasure
3. waste, wastefulness, dissipation
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"
Source: WordNet® (An amazing lexical database of English)
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