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English to English noun
| 1 |
the property of being big and strong |  | source: wordnet30
| 2 |
the quality of being topologically uneven | | Example: the ruggedness of the mountains
source: wordnet30
| 3 |
the quality of being difficult to do | | Example: he assigned a series of problems of increasing hardness
the ruggedness of his exams caused half the class to fail
source: wordnet30
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