Source : Webster's Revised Unabridged Dictionary (1913)

Wanton \Wan"ton\, n.
   1. A roving, frolicsome thing; a trifler; -- used rarely as a
      term of endearment.

            I am afeard you make a wanton of me.  --Shak.

            Peace, my wantons; he will do More than you can aim
            unto.                                 --B. Jonson.

   2. One brought up without restraint; a pampered pet.

            Anything, sir, That's dry and wholesome; I am no
            bred wanton.                          --Beau. & Fl.

   3. A lewd person; a lascivious man or woman.

Wanton \Wan"ton\, a. [OE. wantoun, contr. from wantowen; pref.
   wan- wanting (see {Wane}, v. i.), hence expressing negation +
   towen, p. p., AS. togen, p. p. of te['o]n to draw, to
   educate, bring up; hence, properly, ill bred. See {Tug}, v.
   t.]
   1. Untrained; undisciplined; unrestrained; hence, loose;
      free; luxuriant; roving; sportive. ``In woods and wanton
      wilderness.'' --Spenser. ``A wild and wanton herd.''
      --Shak.

            A wanton and a merry [friar].         --Chaucer.

            [She] her unadorned golden tresses wore Disheveled,
            but in wanton ringlets waved.         --Milton.

            How does your tongue grow wanton in her praise!
                                                  --Addison.

   2. Wandering from moral rectitude; perverse; dissolute. ``Men
      grown wanton by prosperity.'' --Roscommon.

   3. Specifically: Deviating from the rules of chastity; lewd;
      lustful; lascivious; libidinous; lecherous.

            Not with wanton looking of folly.     --Chaucer.

            [Thou art] froward by nature, enemy to peace,
            Lascivious, wanton.                   --Shak.

   4. Reckless; heedless; as, wanton mischief.

Wanton \Wan"ton\, v. i. [imp. & p. p. {Wantoned}; p. pr. & vb.
   n. {Wantoning}.]
   1. To rove and ramble without restraint, rule, or limit; to
      revel; to play loosely; to frolic.

            Nature here wantoned as in her prime. --Milton.

            How merrily we would sally into the fields, and
            strip under the first warmth of the sun, and wanton
            like young dace in the streams!       --Lamb.

   2. To sport in lewdness; to play the wanton; to play
      lasciviously.

Wanton \Wan"ton\, v. t.
   To cause to become wanton; also, to waste in wantonness.
   [Obs.]

Source : WordNet®

wanton
     n : lewd or lascivious woman

wanton
     v 1: waste time; spend one's time idly or inefficiently [syn: {piddle},
           {wanton away}, {piddle away}, {trifle}]
     2: indulge in a carefree or voluptuous way of life
     3: spend wastefully; "wanton one's money away" [syn: {wanton
        away}, {trifle away}]
     4: become extravagant; indulge (oneself) luxuriously [syn: {luxuriate}]
     5: engage in amorous play
     6: behave extremely cruelly and brutally

wanton
     adj 1: occurring without motivation or provocation; "motiveless
            malignity"; "unprovoked and dastardly attack"-
            F.D.Roosevelt [syn: {motiveless}, {unprovoked}]
     2: casual and unrestrained in sexual behavior; "her easy
        virtue"; "he was told to avoid loose (or light) women";
        "wanton behavior" [syn: {easy}, {light}, {loose}, {promiscuous},
         {sluttish}]