ABRUPT

adj. sudden; ending or changing unexpectedly; rude, brusque; lacking continuity; steep

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

adj. abrupt, sudden

adj. abrupt, steep, sheer, precipitous

n. steepness, quality of being steep, precipitousness, state of having an almost vertical slope

adv. abruptly, suddenly

adj. abrupt, sudden, brusque