undreamt

from WordNet (r) 3.0 (2006)

undreamt
    adj 1: not imagined even in a dream [syn: {undreamed},
           {undreamed of}, {undreamt}, {undreamt of}, {unimagined}]

from The Collaborative International Dictionary of English v.0.48

Undreamed \Un*dreamed"\, Undreamt \Un*dreamt"\, a.
   Not dreamed, or dreamed of; not th?ught of; not imagined; --
   often followed by of.
   [1913 Webster]

         Unpathed waters, undreamed shores.       --Shak.
   [1913 Webster]