unverifiable Synonyms

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