Source : Webster's Revised Unabridged Dictionary (1913)

Brambly \Bram"bly\, a.
   Pertaining to, resembling, or full of, brambles. ``In brambly
   wildernesses.'' --Tennyson.

Source : WordNet®

brambly
     adj : covered with brambles and ferns and other undergrowth [syn:
           {braky}]