adj. 1.  a.  Lascivious or promiscuous. Used especially of women. b.  Exciting or expressing sexual desire: a wanton pose. 2.  Marked by unprovoked, gratuitous maliciousness; capricious and unjust: wanton destruction. 3.  Unrestrainedly excessive: wanton extravagance. 4.  Luxuriant; overabundant: wanton tresses. 5.  Frolicsome; playful: a wanton fawn. 6.  Obsolete   Rebellious; refractory. intr.v.  wan·toned, wan·ton·ing, wan·tons  1.  To behave in a wanton manner; act lasciviously. 2.  To move idly or playfully. n.  One, especially a woman, who is licentious or promiscuous. [Middle English wantowen : wan-, not, lacking (from Old English; see  euə- in the Appendix of Indo-European roots) + towen, past participle of teen, to bring up (from Old English tēon, to lead, draw; see  deuk- in the Appendix of Indo-European roots).] wanton·ly adv. wanton·ness n.  | 
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