unpaved

from WordNet (r) 3.0 (2006)

unpaved
    adj 1: not having a paved surface [ant: {paved}]

from The Collaborative International Dictionary of English v.0.48

Unpaved \Un*paved"\, a.
   1. Not paved; not furnished with a pavement. --Hakewill.
      [1913 Webster]

   2. Castrated. [Obs.] "Unpaved eunuch." --Shak.
      [1913 Webster]