transitive verb dissipated -·pat′ed, dissipating -·pat′·ing

1. to break up and scatter; dispel; disperse
2. to drive completely away; make disappear
3. to waste or squander

Etymology: ME dissipaten < L dissipatus, pp. of dissipare, to scatter < dis-, apart + supare, to throw < IE base *swep- > Sans svapū, broom, LowG swabbeln, to swab

intransitive verb

1. to be dissipated; disperse or vanish
2. to spend much time and energy on indulgence in pleasure, esp. drinking, gambling, etc., to the point of harming oneself