abrupt

(s) marked by sudden changes in subject and sharp transitions
- abrupt prose
disconnected,
(s) exceedingly sudden and unexpected
- came to an abrupt stop
- an abrupt change in the weather
(s) extremely steep
- an abrupt canyon
- the precipitous rapids of the upper river
- the precipitous hills of Chinese paintings
- a sharp drop
precipitous, sharp,
(s) surprisingly and unceremoniously brusque in manner
- an abrupt reply

disconnected precipitous sharp

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