Source : Webster's Revised Unabridged Dictionary (1913)

Inhabitable \In*hab"it*a*ble\, a. [L. inhabitabilis. See
   {Inhabit}.]
   Capable of being inhabited; habitable.

         Systems of inhabitable planets.          --Locke.

Inhabitable \In*hab"it*a*ble\, a. [L. inhabitabilis: cf. F.
   inhabitable. See {In-} not, and {Habitable}.]
   Not habitable; not suitable to be inhabited. [Obs.]

         The frozen ridges of the Alps Or other ground
         inhabitable.                             --Shak.

Source : WordNet®

inhabitable
     adj : fit for habitation; "the habitable world" [syn: {habitable}]