Definition of "Rugged" :

adjective: sturdy and strong in constitution or construction; enduring

"With a house full of boys you have to have rugged furniture."

adjective: very difficult; severely testing stamina or resolution

"A rugged competitive examination."

adjective: topographically very uneven

"Rugged ground."

adjective: having long narrow shallow depressions (as grooves or wrinkles) in the surface