Source : Webster's Revised Unabridged Dictionary (1913)

Dissipated \Dis"si*pa`ted\, a.
   1. Squandered; scattered. ``Dissipated wealth.'' --Johnson.

   2. Wasteful of health, money, etc., in the pursuit of
      pleasure; dissolute; intemperate.

            A life irregular and dissipated.      --Johnson.

Dissipate \Dis"si*pate\, v. t. [imp. & p. p. {Dissipated}; p.
   pr. & vb. n. {Dissipating}.] [L. dissipatus, p. p. of
   dissipare; dis- + an obsolete verb sipare, supare. to throw.]
   1. To scatter completely; to disperse and cause to disappear;
      -- used esp. of the dispersion of things that can never
      again be collected or restored.

            Dissipated those foggy mists of error. --Selden.

            I soon dissipated his fears.          --Cook.

            The extreme tendency of civilization is to dissipate
            all intellectual energy.              --Hazlitt.

   2. To destroy by wasteful extravagance or lavish use; to
      squander.

            The vast wealth . . . was in three years dissipated.
                                                  --Bp. Burnet.

   Syn: To disperse; scatter; dispel; spend; squander; waste;
        consume; lavish.

Source : WordNet®

dissipated
     adj 1: unrestrained by convention or morality; "Congreve draws a
            debauched aristocratic society"; "deplorably
            dissipated and degraded"; "riotous living"; "fast
            women" [syn: {debauched}, {degenerate}, {degraded}, {dissolute},
             {libertine}, {profligate}, {riotous}, {fast}]
     2: preoccupied with the pursuit of pleasure and especially
        games of chance; "led a dissipated life"; "a betting man";
        "a card-playing son of a bitch"; "a gambling fool";
        "sporting gents and their ladies" [syn: {betting}, {card-playing},
         {gambling}, {sporting}]