Available Definitions:
1) a. - Squandered; scattered.
2) a. - Wasteful of health, money, etc., in the pursuit of pleasure; dissolute; intemperate.
3) v. i. - To separate into parts and disappear; to waste away; to scatter; to disperse; to vanish; as, a fog or cloud gradually dissipates before the rays or heat of the sun; the heat of a body dissipates.
4) v. i. - To be extravagant, wasteful, or dissolute in the pursuit of pleasure; to engage in dissipation.