Source : Webster's Revised Unabridged Dictionary (1913)

Inhospitable \In*hos"pi*ta*ble\, a. [Pref. in- not + hospitable:
   cf. L. inhospitalis.]
   1. Not hospitable; not disposed to show hospitality to
      strangers or guests; as, an inhospitable person or people.

            Have you no touch of pity, that the poor Stand
            starved at your inhospitable door?    --Cowper.

   2. Affording no shelter or sustenance; barren; desert; bleak;
      cheerless; wild. ``Inhospitable wastes.'' --Blair. --
      {In*hos"pi*ta*ble*mess}, n. -- {In*hos"pi*ta*bly}, adv.

Source : WordNet®

inhospitable
     adj 1: unfavorable to life or growth; "the barren inhospitable
            desert"; "inhospitable mountain areas" [ant: {hospitable}]
     2: not hospitable; "they are extremely inhospitable these
        days"; "her greeting was cold and inhospitable" [ant: {hospitable}]