dissipate

play
verb dis·si·pate \ ˈdi-sə-ˌpāt \

Definition of dissipate

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

dissipater

noun

Examples of dissipate in a Sentence

  1. The morning sun dissipated the fog.

  2. The fog should dissipate soon.

Recent Examples of dissipate from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dissipate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of dissipate

Latin dissipatus, past participle of dissipare, dissupare, from dis- + supare to throw

Synonym Discussion of dissipate

scatter, disperse, dissipate, dispel mean to cause to separate or break up. scatter implies a force that drives parts or units irregularly in many directions.
    • the bowling ball scattered the pins
disperse implies a wider separation and a complete breaking up of a mass or group.
    • police dispersed the crowd
dissipate stresses complete disintegration or dissolution and final disappearance.
    • the fog was dissipated by the morning sun
dispel stresses a driving away or getting rid of as if by scattering.
    • an authoritative statement that dispelled all doubt

DISSIPATE Defined for English Language Learners

dissipate

play
verb

Definition of dissipate for English Language Learners

  • : to cause (something) to spread out and disappear

  • : to separate into parts and disappear or go away

  • : to use all or a lot of (something, such as money or time) in a foolish way


DISSIPATE Defined for Kids

dissipate

play
verb dis·si·pate \ ˈdi-sə-ˌpāt \

Definition of dissipate for Students

dissipated; dissipating
1 :to cause to break up and disappear:disperse
  • The wind dissipated the clouds.
2 :to scatter or waste foolishly :squander
  • He dissipated his saved allowance.

Law Dictionary

dissipate

play
transitive verb dis·si·pate \ ˈdi-sə-ˌpāt \

legal Definition of dissipate

dissipated; dissipating
:to use (marital assets) for one's own benefit and to the exclusion of one's spouse for a purpose unrelated to the marriage at a time when the marriage is undergoing an irretrievable breakdown

dissipation

play \ˌdi-sə-ˈpā-shən\ noun


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