abruptness abruptness /əˈbrʌptnəs/

noun

1. () An abrupt discourteous manner  ( brusqueness , gruffness , shortness , abruptness , curtness )
   an abrupt discourteous manner
   
2. The quality of happening with headlong haste or without warning  ( abruptness , precipitance , precipitancy , precipitateness , precipitousness , suddenness )
   the quality of happening with headlong haste or without warning
   
3. The property possessed by a slope that is very steep  ( abruptness , precipitousness , steepness )
   the property possessed by a slope that is very steep