'abrupt' definitions:

Definition of 'abrupt'

From: WordNet
adjective
Marked by sudden changes in subject and sharp transitions; "abrupt prose" [syn: abrupt, disconnected]
adjective
Exceedingly sudden and unexpected; "came to an abrupt stop"; "an abrupt change in the weather"
adjective
Extremely steep; "an abrupt canyon"; "the precipitous rapids of the upper river"; "the precipitous hills of Chinese paintings"; "a sharp drop" [syn: abrupt, precipitous, sharp]
adjective
Surprisingly and unceremoniously brusque in manner; "an abrupt reply"