dissipate

[dis-uh-peyt]
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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.

Origin of dissipate

1525–35; < Latin dissipātus (past participle of dissipāre, dissupāre to scatter); see -ate1
Related formsdis·si·pat·er, dis·si·pa·tor, noundis·si·pa·tive, adjectivedis·si·pa·tiv·i·ty [dis-uh-puh-tiv-i-tee] /ˌdɪs ə pəˈtɪv ɪ ti/, nounnon·dis·si·pa·tive, adjective

Synonyms for dissipate

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1. See scatter. 3. disappear, vanish.

Antonyms for dissipate

1, 3. unite.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for dissipater

dissipate

verb
  1. to exhaust or be exhausted by dispersion
  2. (tr) to scatter or break up
  3. (intr) to indulge in the pursuit of pleasure
Derived Formsdissipater or dissipator, noundissipative, adjective

Word Origin for dissipate

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

Word Origin and History for dissipater

dissipate

v.

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