:to break up and drive off
:to cause to spread thin or scatter and gradually vanish
- one's sympathy is eventually dissipated
- —Andrew Feinberg
:to lose (heat, electricity, etc.) irrecoverably
:to spend or use up wastefully or foolishly
- dissipated the family fortune in reckless business ventures
:to break up and scatter or vanish
- The clouds dissipated and the sun came out.
- The team's early momentum has dissipated.
:to be extravagant or dissolute in the pursuit of pleasure;
:to drink to excess
- his extended dissipating of the night before