Source : Webster's Revised Unabridged Dictionary (1913)

Unblessed \Un*blessed"\, Unblest \Un*blest\, a. [Pref. un- not +
   blessed, blest.]
   Not blest; excluded from benediction; hence, accursed;
   wretched. ``Unblessed enchanter.'' --Milton.

Source : WordNet®

unblessed
     adj : not provided with something desirable; "a hovel unblessed
           with electricity or running water"