Meaning of ruggedness

Definition of ruggedness

(noun) the property of being big and strong
the quality of being topologically uneven; "the ruggedness of the mountains"
the quality of being difficult to do; "he assigned a series of problems of increasing hardness"; "the ruggedness of his exams caused half the class to fail"

Other information on ruggedness

WIKIPEDIA results for ruggedness
Amazon results for ruggedness