unverifiable Synonyms

unobjective agnostic storied refutable mythical legendary insupportable indemonstrable indefensible uncertain unsupportable chancy checkable undemonstrable untenable unjustifiable unprovable unsanctionable unmaintainable incontrollable imaginative created changeable capricious because apocryphal anecdotal ambiguous allegorical customary debatable imaginary fanciful fabulous fabled dubious doubtful disputable disprovable unsustainable