DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   rugged
       adj 1: sturdy and strong in constitution or construction;
              enduring; "with a house full of boys you have to have
              rugged furniture" [ant: delicate]
       2: having long narrow shallow depressions (as grooves or
          wrinkles) in the surface; "furrowed fields"; "his furrowed
          face lit by a warming smile" [syn: furrowed, rugged]
          [ant: unfurrowed]
       3: topographically very uneven; "broken terrain"; "rugged
          ground" [syn: broken, rugged]
       4: very difficult; severely testing stamina or resolution; "a
          rugged competitive examination"; "the rugged conditions of
          frontier life"; "the competition was tough"; "it's a tough
          life"; "it was a tough job" [syn: rugged, tough]