Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Adjective
S: (adj) rugged (sturdy and strong in constitution or construction; enduring) "with a house full of boys you have to have rugged furniture"
S: (adj) furrowed, rugged (having long narrow shallow depressions (as grooves or wrinkles) in the surface) "furrowed fields"; "his furrowed face lit by a warming smile"
S: (adj) rugged, tough (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"