অর্থ : The quality of being topologically uneven.
উদাহরণ :
The ruggedness of the mountains.
অর্থ : The quality of being difficult to do.
উদাহরণ :
He assigned a series of problems of increasing hardness.
The ruggedness of his exams caused half the class to fail.
সমার্থক : hardness
Ruggedness meaning in Bengali (Bangla).