adjective
rugged
Strong enough to withstand rough use or harsh conditions.
The rugged boots withstand the rough rocks.

Etymology
The adjective for rough surfaces extended to robust constitution. A rugged person or object can endure the rough conditions with which the word was originally associated.
In context
these rugged valleys, the small town of Madora remains a living symbol of North Dakota's enduring [music] western spirit. It was this harsh and rugged land
More examples
- They chose a more rugged case.
- It was their most rugged model.
- The rugged equipment survived the trip.
Forms
rugged · ruggeder · ruggedest
ruggedness noun — roughness or strength under harsh conditions