The quality of abruptness is an almost rude bluntness or suddenness. When you act with abruptness, you do something quickly, with no warning or consideration of how other people feel about it.

Friends will comment on your abruptness if you suddenly walk away from them in the middle of a conversation. If your favorite restaurant is unexpectedly shut down one day, with a sign saying "out of business," you'll wonder at the abruptness of its closing. The word at the heart of abruptness is the adjective abrupt — and it is rooted in the Latin word abruptus, which means "broken off or disconnected."

Definitions of abruptness
  1. noun
    the quality of happening with headlong haste or without warning
    synonyms: precipitance, precipitancy, precipitateness, precipitousness, suddenness
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    type of:
    haste, hastiness, hurriedness, hurry, precipitation
    overly eager speed (and possible carelessness)
  2. noun
    an abrupt discourteous manner
    synonyms: brusqueness, curtness, gruffness, shortness
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    type of:
    discourtesy, rudeness
    a manner that is rude and insulting
  3. noun
    the property possessed by a slope that is very steep
    synonyms: precipitousness, steepness
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    gentleness, gradualness
    the property possessed by a slope that is very gradual
    type of:
    gradient, slope
    the property possessed by a line or surface that departs from the horizontal
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