Definition of 'abrupt'

Adjective

1. marked by sudden changes in subject and sharp transitions; "abrupt prose"
      Synonyms: disconnected
2. exceedingly sudden and unexpected; "came to an abrupt stop"; "an abrupt change in the weather"
3. extremely steep; "an abrupt canyon"; "the precipitous rapids of the upper river"; "the precipitous hills of Chinese paintings"; "a sharp drop"
      Synonyms: precipitous sharp
4. surprisingly and unceremoniously brusque in manner; "an abrupt reply"

---