rugged (Adjective) — Sturdy and strong in constitution or construction; enduring. ex. "with a house full of boys you have to have rugged furniture"
rugged (Adjective) — Having long narrow shallow depressions (as grooves or wrinkles) in the surface. ex. "rugged fields"
rugged (Adjective) — Topographically very uneven. ex. "rugged ground"
rugged (Adjective) — Very difficult; severely testing stamina or resolution. ex. "a rugged competitive examination" ex. "the rugged conditions of frontier life"