adrift afloat alternating amorphous capricious changeable changeful dangerous derelict desultory deviable disaffected disloyal dizzy eccentric erratic faithless FALSE fast and loose fickle fitful flickering flighty flitting fluctuating freakish giddy hazardous impetuous impulsive inconsistent inconstant indecisive infirm insecure insubstantial irregular irresolute irresponsible mazy mercurial mobile moody moving not true to of bad faith perilous precarious provisional rambling recreant restless risky roving scatterbrained shaky shapeless shifting shifty shuffling slippery spasmodic spineless temporary tentative ticklish treacherous trothless unaccountable uncertain uncontrolled undependable undisciplined unfaithful unfaithworthy unfixed unloyal unpredictable unreliable unrestrained unsettled unsolid unsound unstable unstable as water unstaid unsteady unsubstantial unsure untrue untrustworthy vacillating vagrant variable vicissitudinary vicissitudinous volatile wandering wanton wavering wavery wavy wayward whimsical wishy-washy