unauthentic (adj.)

• affected
• antinomian
• apocryphal
• artificial
• assumed
• bastard
• bogus
• brummagem
• colored
• contradictory
• counterfeit
• distorted
• dummy
• embellished
• erroneous
• ersatz
• factitious
• fake
• fallacious
• faulty
• feigned
• fictitious
• fictive
• flawed
• garbled
• heretical
• heterodox
• illegitimate
• illogical
• imitation
• inauthentic
• inconclusive
• incongruous
• inconsequent
• inconsequential
• inconsistent
• invalid
• irrational
• loose
• make-believe
• man-made
• mock
• pantheist
• pantheistic
• perverted
• phony
• pinchbeck
• pretended
• pseudo
• quasi
• queer
• reasonless
• self-contradictory
• self-styled
• senseless
• sham
• shoddy
• simulated
• so-called
• soi-disant
• spurious
• supposititious
• synthetic
• tin
• twisted
• unaccepted
• uncertified
• unchecked
• unconfirmed
• unconnected
• uncorroborated
• unfounded
• unnatural
• unofficial
• unorthodox
• unproved
• unreal
• unreasonable
• unreliable
• unscientific
• unsound
• unverified
• unwarranted
• warped