Having a surface that is not smooth
Physically toughened so as to have great endurance
Violently disturbed or agitated, as by storms
Marked by vigorous physical exertion
Rough; said especially of terrain
Strong; said especially of persons
The rest of the island is rugged and mountainous.
It wasn't his rugged good looks.
His eyes flashed silver, his rugged features covered in a few days' growth.
The land around it was rugged, with only a few fields in the midst of a vast forest.
His features were too rugged to be described with such a word.