adrift afloat alternating amorphous at issue capricious changeable changeful clear conditional conditioned contingent dependent depending desultory deviable dizzy eccentric erratic fast and loose fickle fitful flickering flighty flitting floating fluctuating freakish free giddy groundless impetuous impulsive in question in suspense in the balance inconclusive inconsistent inconstant indecisive infirm irregular irresolute irresponsible loose mazy mercurial moody not following not proved open pendent pending rambling restless rickety roving scatterbrained shaky shapeless shifting shifty shuffling spasmodic spineless suspenseful unaccountable unanchored unascertained unattested unauthenticated unbound uncertain uncertified unconfirmed uncontrolled uncorroborated uncounted undecided undemonstrated undependable undetermined undisciplined undone unestablished unfastened unfounded unpredictable unproved unproven unreliable unrestrained unsettled unshown unstable unstable as water unstaid unsteadfast unsteady unstuck unsubstantiated unsupported unsupported by evidence unsustained untested untied untold untried unvalidated unverified up for grabs vacillating vagrant variable vicissitudinary vicissitudinous volatile wandering wanton wavering wavery wavy wayward whimsical wishy-washy without basis without grounds