rugged

sturdy and strong in constitution or construction; enduring; "with a house full of boys you have to have rugged furniture"

having long narrow shallow depressions (as grooves or wrinkles) in the surface; "furrowed fields"; "his furrowed face lit by a warming smile"

topographically very uneven; "broken terrain"; "rugged ground"

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"