wanton

adjective

1. done, shown, used, etc., maliciously or unjustifiably: a wanton attack; wanton cruelty.
2. deliberate and without motive or provocation; uncalled-for; headstrong; willful: Why jeopardize your career in such a wanton way?
3. without regard for what is right, just, humane, etc.; careless; reckless: a wanton attacker of religious convictions.
4. sexually lawless or unrestrained; loose; lascivious; lewd: wanton behavior.
5. extravagantly or excessively luxurious, as a person, manner of living, or style.
6. luxuriant, as vegetation.
7. Archaic.
   1. sportive or frolicsome, as children or young animals.
   2. having free play: wanton breezes; a wanton brook.