Definition of "roughness" []

• The property of being rough, coarseness. (noun)

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• "Not just on acting ability, but all of them have a certain roughness to their appearance which Ledger just doesn't have."
• "The chaos and irregularity of the world - Mandelbrot referred to it as "roughness" - is something to be celebrated."
• "The Android team's mandate to continuously iterate is admirable, but according to Lockheimer, it accounts for some of Android's so-called roughness."