unscientific

from WordNet (r) 3.0 (2006)

unscientific
    adj 1: not consistent with the methods or principles of science;
           "an unscientific lack of objectivity" [ant: {scientific}]

from The Collaborative International Dictionary of English v.0.48

Unscientific \Unscientific\
   See {scientific}.

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "unscientific":
      absonant, contradictory, contrary to reason, fallacious, faulty,
      flawed, illogical, inauthentic, inconclusive, incongruous,
      inconsequent, inconsequential, inconsistent, invalid, irrational,
      loose, nonscientific, not following, paralogical, reasonless,
      self-annulling, self-contradictory, self-refuting, senseless,
      unauthentic, unconnected, unphilosophical, unreasonable,
      without reason