rockiness

Short definition from Wiktionary

Noun

1. 1
   The state or quality of being rocky: Being full of rocks.
2. 2
   The state or quality of being rocky: Turbulence physically.
3. 3
   The state or quality of being rocky: Turbulence emotionally or societally.
4. 4
   The state or quality of being rocky: Uncertainty and changeability of trends or outlooks.
5. 5
   The state or quality of being rocky: The degree of rock-and-roll sound that a piece or subgenre of music has.