abrupt

Adjective

• surprisingly and unceremoniously brusque in manner
  • an abrupt reply
    

• extremely steep
  • an abrupt canyon
    
  • the precipitous rapids of the upper river
    
  • the precipitous hills of Chinese paintings
    
  • a sharp drop
    

• exceedingly sudden and unexpected
  • came to an abrupt stop
    
  • an abrupt change in the weather
    

• marked by sudden changes in subject and sharp transitions
  • abrupt prose
    

Related words

• Synonyms: 
  precipitous , sharp , disconnected