done, shown, used, etc., maliciously or unjustifiably

a wanton attack; wanton cruelty.

deliberate and without motive or provocation; uncalled-for; headstrong; willful

Why jeopardize your career in such a wanton way?

without regard for what is right, just, humane, etc.; careless; reckless

a wanton attacker of religious convictions.

sexually lawless or unrestrained; loose; lascivious; lewd

wanton behavior.

extravagantly or excessively luxurious, as a person, manner of living, or style.

luxuriant, as vegetation.

Archaic .

sportive or frolicsome, as children or young animals.

having free play

wanton breezes; a wanton brook.

a wanton or lascivious person, esp. a woman.

to behave in a wanton manner; become wanton.

to squander, esp. in pleasure (often fol. by away )

to wanton away one's inheritance.

adjective

clean , decent , moral , righteous , gentle , kind , nice , careful , observant , thoughtful , wise

adjective

abandoned , fast * , lax , lewd , libertine , libidinous , licentious , outrageous , profligate , promiscuous , shameless , speedy * , unprincipled , unscrupulous , wayward , x-rated * , accidentally on purpose , arbitrary , contrary , double-crossing , evil , gratuitous , groundless , inconsiderate , malevolent , mean , merciless , motiveless , needless , ornery , perverse , senseless , spiteful , unasked , uncalled-for * , unfair , unjust , unjustifiable , unjustified , unprovoked , vicious , wicked , willful , capricious , changeable , devil-may-care * , extravagant , fanciful , fickle , fitful , fluctuating , free , frivolous , heedless , hot and cold , immoderate , inconstant , intemperate , lavish , prodigal , profuse , rash , reckless , spendthrift , spoiled , thriftless , unfettered , unreserved , unrestrained , up and down , variable , volatile , wasteful , whimsical , wild , dissipated , dissolute , fast , gay , incontinent , rakish , unbridled , unconstrained , uncontrolled , ungoverned , uninhibited , easy , light , loose , whorish , supererogative , supererogatory , uncalled-for

noun

debauchee , libertine , rake , profligate , baggage , hussy , jade , slattern , tart , tramp , wench , whore , arrogant , capricious , careless , concubine , cruel , disregardful , extravagant , fast , frisky , frolic , frolicsome , fulsome , gratuitous , harlot , immoral , lavish , lecherous , lewd , licentious , loose , lustful , luxuriant , malevolent , malicious , merciless , merry , overabundant , playful , prodigal , promiscuous , prostitute , revel , sensual , slut , spiteful , spoiled , sportive , strumpet , trifle , unchaste , undisciplined , unjust , unprincipled , unrestrained , unruly , voluptuous , wayward