Open English Wordnet
Adjectives
(a)ruggedsturdy and strong in constitution or construction; enduring“with a house full of boys you have to have rugged furniture” (a)furrowed, ruggedhaving long narrow shallow depressions (as grooves or wrinkles) in the surface“furrowed fields”,
“his furrowed face lit by a warming smile” (s)broken, ruggedtopographically very uneven“broken terrain”,
“rugged ground” (s)rugged, toughvery 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”