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[dis-uh-peyt] /ˈdɪs əˌpeɪt/
verb (used with object), dissipated, dissipating.
to scatter in various directions; disperse; dispel.
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), dissipated, dissipating.
to become scattered or dispersed; be dispelled; disintegrate:
The sun shone and the mist dissipated.
to indulge in extravagant, intemperate, or dissolute pleasure.
Origin of dissipate
1525-35; < Latin dissipātus (past participle of dissipāre, dissupāre to scatter); see -ate1
Related forms
dissipater, dissipator, noun
dissipative, adjective
[dis-uh-puh-tiv-i-tee] /ˌdɪs ə pəˈtɪv ɪ ti/ (Show IPA),
nondissipative, adjective
1. See scatter. 3. disappear, vanish.
1, 3. unite. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for dissipating
Contemporary Examples
Historical Examples
  • The scene steadied; the whiteness was dissipating like mist in summer.

    Pygmalion's Spectacles Stanley Grauman Weinbaum
  • Over us, the barrage curtain was dissipating, sight and sound coming in to us.

    Wandl the Invader Raymond King Cummings
  • The last word had been that the two had grounded and that the weather front was dissipating.

    Attrition Jim Wannamaker
  • I did not mind his dissipating my own fortune; the money is nothing to me.

    The Secret House Edgar Wallace
  • "dissipating hard, I suppose you mean," said the doctor with a smile.

    The Threatening Eye Edward Frederick Knight
  • Instead of dissipating his anxiety, this experiment does but increase it.

    The Violin

    George Dubourg
  • We spend our money for the purpose of dissipating our capital.

    The Dwelling House George Vivian Poore
British Dictionary definitions for dissipating


to exhaust or be exhausted by dispersion
(transitive) to scatter or break up
(intransitive) to indulge in the pursuit of pleasure
Derived Forms
dissipater, dissipator, noun
dissipative, adjective
Word Origin
C15: from Latin dissipāre to disperse, from dis-1 + supāre to throw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for dissipating



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.

Online Etymology Dictionary, © 2010 Douglas Harper
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