verb (used with object), dis·si·pat·ed, dis·si·pat·ing.

  1. to scatter in various directions; disperse; dispel.
  2. to spend or use wastefully or extravagantly; squander; deplete: to dissipate one’s talents; to dissipate a fortune on high living.

verb (used without object), dis·si·pat·ed, dis·si·pat·ing.

  1. to become scattered or dispersed; be dispelled; disintegrate: The sun shone and the mist dissipated.
  2. to indulge in extravagant, intemperate, or dissolute pleasure.


  1. to exhaust or be exhausted by dispersion
  2. (tr) to scatter or break up
  3. (intr) to indulge in the pursuit of pleasure

early 15c., from Latin dissipatus, past participle of dissipare “to spread abroad, scatter, disperse; squander, disintegrate,” from dis- “apart” (see dis-) + supare “to throw, scatter,” from PIE *swep- “to throw, sling, cast” (cf. Lithuanian supu “to swing, rock,” Old Church Slavonic supo “to strew”). Related: Dissipated; dissipates; dissipating.

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