Inconclusive

Adjective

 * 1) Not conclusive, not leading to a conclusion

Thesaurus
absonant, contradictory, contrary to reason, fallacious, faulty, feeble, flawed, flimsy, groundless, illogical, inauthentic, incongruous, inconsequent, inconsequential, inconsistent, indecisive, indefinite, indeterminate, insubstantial, invalid, irrational, loose, nonscientific, not following, not proved, open, paralogical, poor, reasonless, self-annulling, self-contradictory, self-refuting, senseless, unascertained, unattested, unauthentic, unauthenticated, uncertain, uncertified, unconfirmed, unconnected, uncorroborated, undemonstrated, undetermined, unestablished, unfinished, unfixed, unfounded, unphilosophical, unproved, unproven, unreasonable, unresolved, unrigorous, unscientific, unsettled, unshown, unsound, unsubstantial, unsubstantiated, unsupported, unsupported by evidence, unsustained, untested, untried, unvalidated, unverified, weak, without basis, without grounds, without reason