demonstrable Antonyms

undemonstrable unverifiable indeterminable indemonstrable indefinable incomplete inadequate improvised hypothetical groundless fictitious feigned false fake invented moot obscure unobvious unobserved unsatisfying unprovable imprecise iffy cagey vague unsupportable undeterminable theoretic paradoxical fabricated equivocal concocted colour cod chimerical bogus attributive assumed arguable answerable ambiguous affected adopted academical contestable contradictable dubious doubtful doubtable distorted