adj. 1 immoral, dissolute, profligate, dissipated, depraved, loose, promiscuous, lustful, licentious, lecherous, wild, libidinous, lewd, lascivious, unchaste She is a wanton hussy who is no better than she ought to be 2 abandoned, unrestrained, undisciplined, ungoverned, ungovernable, unmanageable, outrageous, immoderate, intemperate, untempered It is not the boy's fault, it is the wanton company he keeps 3 reckless, rash, uncaring, lavish, extravagant, wilful, heedless, irresponsible, careless This situation arises from the parents' wanton disregard for their children's moral training 4 wicked, evil, malevolent, malicious, merciless, inhumane, vicious, cruel, violent, unjustified, unprovoked, uncalled-for, purposeless, motiveless, unjustifiable, arbitrary, gratuitous We were subject to wanton attacks by the hill people
n. 5 vamp, strumpet, whore, harlot, loose woman, prostitute, voluptuary, slut, trollop, Jezebel, Colloq tart, Slang hooker, working girl, call-girl: Who invited that wanton, with her tight-fitting, shamelessly low-cut dress?