Wan·ton·ly, adv.
  1. In a wanton manner; without regularity or restraint; loosely; sportively; gayly; playfully; recklessly; lasciviously.
  2. Unintentionally; accidentally.  [Obs.]
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  wantonly
       adv 1: in a wanton manner; "the animals were killed wantonly for
              sport"
       2: in a licentious and promiscuous manner; "this young girl has
          to share a room with her mother who lives promiscuously"
          [syn: licentiously, promiscuously]