Wanton

fast shameless licentious promiscuous libidinous lewd outrageous abandoned profligate wayward unprincipled unscrupulous libertine lax speedy X-rated

mean wicked evil malicious spiteful vicious senseless unjust unfair arbitrary groundless unjustified gratuitous unprovoked uncalled-for unasked needless inconsiderate merciless willful perverse contrary wayward ornery motiveless unjustifiable accidentally on purpose double-crossing

reckless heedless rash wild frivolous free unrestrained extravagant wasteful variable inconstant changeable volatile fickle prodigal spendthrift lavish unreserved thriftless immoderate intemperate capricious devil-may-care fitful fluctuating hot and cold up and down whimsical profuse spoiled outrageous unfettered fanciful