Inac*cess"i*ble*ness

from The Collaborative International Dictionary of English v.0.48

Inaccessible \In`ac*cess"i*ble\, a. [L. inaccessibilis: cf. F.
   inaccessible. See {In-} not, and {Accessible}.]
   Not accessible; not to be reached, obtained, or approached;
   as, an inaccessible rock, fortress, document, prince, etc. --
   {In`ac*cess"i*ble*ness}, n. -- {In`ac*cess"i*bly}, adv.
   [1913 Webster]