inconvincible

from The Collaborative International Dictionary of English v.0.48

Inconvincible \In`con*vin"ci*ble\, a. [L. inconvincibilis. See
   {In-} not, and {Convince}.]
   Not convincible; incapable of being convinced.
   [1913 Webster]

         None are so inconvincible as your half-witted people.
                                                  --Gov. of the
                                                  Tongue.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

18 Moby Thesaurus words for "inconvincible":
      cautious, disinclined to believe, disposed to doubt, guarded,
      hard of belief, impervious to persuasion, incredulous, leery,
      shy of belief, skeptical, suspecting, suspicious, unconvincible,
      uncredulous, unpersuadable, unpersuasible, unwilling to accept,
      wary

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