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Definition of roughness noun from the Oxford Advanced Learner's Dictionary

roughness

noun
 
/ˈrʌfnəs/
 
/ˈrʌfnəs/
[uncountable]
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  1. the quality of having a surface that is not even or regular
    • the roughness of the terrain
    • skin roughness
    opposite smoothness (1)
  2. treatment that is not gentle or careful
    • His guard alternated from roughness and threats to leaving him alone.
  3. the fact of having a lot of violence or crime
    • the roughness of the streets
  4. the fact of having large and dangerous waves
    • the roughness of the sea
  5. the fact of being difficult or unpleasant synonym toughness
    • the roughness of life in those hard times
See roughness in the Oxford Learner's Dictionary of Academic English
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adjective
 
 
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