Below are possible answers for the crossword clue Rough, as terrain.
6 letter answer(s) to rough, as terrain
RUGGED
having long narrow shallow depressions (as grooves or wrinkles) in the surface; "furrowed fields"; "his furrowed face lit by a warming smile"
sturdy and strong in constitution or construction; enduring; "with a house full of boys you have to have rugged furniture"
topographically very uneven;
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"
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