: 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