abruptness

• An abrupt discourteous manner (synset 104922639)
  hypernym: discourtesy, rudeness - a manner that is rude and insulting
  synonym: brusqueness, curtness, gruffness, shortness
• The property possessed by a slope that is very steep (synset 105076793)
  hypernym: gradient, slope - the property possessed by a line or surface that departs from the horizontal
  synonym: precipitousness, steepness
• The quality of happening with headlong haste or without warning (synset 105067645)
  hypernym: haste, hastiness, hurriedness, hurry, precipitation - overly eager speed (and possible carelessness)
  synonym: precipitance, precipitancy, precipitateness, precipitousness, suddenness

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