c. 1600, "scattered, wasted, frittered away," past-participle adjective from dissipate (v.). By 1744 as "characterized by extravagant, excessive, or dissolute pleasures, intemperate."
Entries linking to dissipated
dissipate v.
early 15c., dissipaten, "scatter or drive off in all directions," from Latin dissipatus, past participle of dissipare "to spread abroad, scatter, disperse; squander, disintegrate," from dis- "apart" (see dis-) + supare "to throw, scatter," which is apparently from a PIE *supi- "to throw, sling, cast" (source also of Lithuanian supu, supti "to swing, rock," Old Church Slavonic supo "to strew").
Intransitive sense of "become scattered or dispersed, vanish through diffusion" is from 1620s; that of "expend wastefully, scatter by foolish outlay" is from 1680s. Related: Dissipated; dissipates; dissipating.