noun a trifle which wastes time or distracts attention.
2. dissipation ·noun the act of dissipating or dispersing; a state of dispersion or separation; dispersion; waste.
3. dissipation ·noun 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.