rugged

Adjective

• 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
    

• topographically very uneven
  • broken terrain
    
  • rugged ground
    

• having long narrow shallow depressions (as grooves or wrinkles) in the surface
  • furrowed fields
    
  • his furrowed face lit by a warming smile
    

• sturdy and strong in constitution or construction; enduring
  • with a house full of boys you have to have rugged furniture
    

Related words

• Synonyms: 
  tough , broken , furrowed
• Antonyms: 
  unfurrowed , delicate