Synonyms and related words :
Adamic, Paphian, adrift, afloat, alternating, amorphous, arbitrary, backsliding, balky, cantankerous, capricious, carnal, chambering, changeable, changeful, contrary, cranky, cross-grained, crotchety, desultory, deviable, difficult, disobedient, dizzy, easy, eccentric, erratic, erring, fallen, fanciful, fantasied, fantastic, fast and loose, fickle, fitful, flaky, fleshly, flickering, flighty, flitting, fluctuating, frail, freakish, froward, giddy, harebrained, humorsome, impetuous, impulsive, impure, inconsistent, inconstant, indecisive, indisciplined, infirm, irascible, irregular, irresolute, irresponsible, kinky, lapsed, lawless, lax, light, loose, loose-moraled, maggoty, mazy, mercurial, moody, motiveless, naughty, nonconforming, notional, obstinate, of easy virtue, of loose morals, ornery, peccable, perverse, petulant, postlapsarian, prodigal, promiscuous, quirky, rambling, recidivist, recidivistic, recusant, restive, restless, roving, scatterbrained, self-willed, shapeless, shifting, shifty, shuffling, slack, spasmodic, spineless, stuffy, sulky, sullen, temperamental, transgressive, unaccountable, unangelic, uncertain, unchaste, unclean, uncomplying, uncontrolled, undependable, undisciplined, unduteous, undutiful, unfixed, ungodly, ungood, unpredictable, unreasonable, unreliable, unrestrained, unrighteous, unsaintly, unsettled, unstable, unstable as water, unstaid, unsteadfast, unsteady, unvirtuous, vacillating, vagarious, vagrant, variable, vicissitudinary, vicissitudinous, violative, virtueless, volatile, wandering, wanton, wavering, wavery, wavy, weak, whimsical, whorish, willful, wishy-washy, wrongheaded