abruptness

(noun) an abrupt discourteous manner. Synonyms: brusqueness, curtness, gruffness, shortness.

(noun) the property possessed by a slope that is very steep. Synonyms: precipitousness, steepness.

(noun) the quality of happening with headlong haste or without warning. Synonyms: precipitateness, precipitousness, precipitance, precipitancy, suddenness.