Definition of "dissipate" in English

verb

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.

3. (intransitive) To vanish by dispersion.

4. (physics) To cause energy to be lost through its conversion to heat.

5. (intransitive, colloquial, dated) To be dissolute in conduct.

adjective

1. dissipated