Open English Wordnet
Adjectives
(s)abrupt, disconnectedmarked by sudden changes in subject and sharp transitions“abrupt prose” (s)abruptexceedingly sudden and unexpected“came to an abrupt stop”,
“an abrupt change in the weather” (s)abrupt, precipitous, sharpdangerously steep“an abrupt canyon”,
“the precipitous rapids of the upper river”,
“the precipitous hills of Chinese paintings”,
“a sharp drop” (s)abruptsurprisingly and unceremoniously brusque in manner“an abrupt reply”