wanton
adjective
1 wanton destruction:
deliberate, willful, malicious, malevolent, spiteful, vicious, wicked, evil, cruel;
unprovoked, unmotivated, motiveless, arbitrary, groundless, unjustifiable, unjustified, needless, unnecessary, uncalled for, gratuitous, senseless, pointless, purposeless, aimless, useless, meaningless, empty, vacuous.
▷antonyms justifiable.
2 dated a wanton seductress:
licentious, promiscuous, immoral, immodest, indecent, shameless, unblushing, unchaste, unvirtuous, impure, abandoned, lustful, lecherous, lascivious, salacious, lubricious, libidinous, libertine, profligate, dissolute, dissipated, debauched, degenerate, reprobate, corrupt, sinful;
dated loose, fast, of easy virtue.
▷antonyms chaste, moral.