dissipatest

Verb

dissipate (third-person singular simple present dissipates, present participle dissipating, simple past and past participle dissipated)

1. (transitive) To drive away, disperse.
   • August 1773, James Cook, journal entry
     I soon dissipated his fears.
2. (transitive) To use up or waste; squander.
   • The vast wealth […] was in three years dissipated.1679–1715, Gilbert Burnet, “(please specify the page)”, in The History of the Reformation of the Church of England., London: […] T[homas] H[odgkin] for Richard Chiswell, […]
3. (intransitive) To vanish by dispersion.
4. To cause energy to be lost through its conversion to heat.
   • The traction motors serve as generators when dynamic braking is used, the generated output being dissipated in fan-cooled resistance banks mounted in a removable roof section.1960 April, “English Electric diesels for the Sudan Railways”, in Trains Illustrated, page 218
5. (colloquial, dated, intransitive) To be dissolute in conduct.

See all 6 meanings of dissipate