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

Derived forms: ruggeder, ruggedest

See also: canaliculate, corrugated, difficult, hard, knockabout, robust, rough, rutted, rutty, strength, strong, sturdy, tough, toughened, unsmooth

Antonym: delicate

Encyclopedia: Rugged