- To dissipate is defined as to lessen or disappear, or to cause something to lessen or disappear.
An example of dissipate is when rain starts to let up or goes away.
transitive verbdissipated, dissipating
- to break up and scatter; dispel; disperse
- to drive completely away; make disappear
- to waste or squander
Origin of dissipateMiddle English dissipaten ; from Classical Latin dissipatus, past participle of dissipare, to scatter ; from dis-, apart + supare, to throw ; from Indo-European base an unverified form swep- from source Sanskrit svapū, broom, Low German swabbeln, to swab
- to be dissipated; disperse or vanish
- to spend much time and energy on indulgence in pleasure, esp. drinking, gambling, etc., to the point of harming oneself
verbdis·si·pat·ed, dis·si·pat·ing, dis·si·pates
- a. To break apart or attenuate to the point of disappearing: The wind finally dissipated the smoke. See Synonyms at scatter.b. To drive away; cause to vanish: a discovery that dissipated his doubts.
- a. To spend or expend intemperately or wastefully; squander: dissipated his fortune in casinos.b. To use up, especially recklessly; exhaust: dissipated their energy. See Synonyms at waste.
- To cause to lose (energy, such as heat) irreversibly.
- To be attenuated and vanish: The dark clouds finally dissipated.
- To become dispelled; vanish: His anger dissipated in time.
Origin of dissipateMiddle English dissipaten, from Latin dissipāre, dissipāt-.
- dis′si·pat′er, dis′si·pa′tor
(third-person singular simple present dissipates, present participle dissipating, simple past and past participle dissipated)
From Latin dissipatus, past participle of dissipare, also written dissupare (“to scatter, disperse, demolish, destroy, squander, dissipate”), from dis- (“apart”) + supare (“to throw”), also in comp. insipare (“to throw into”).