abrupt
1. [ adjective ] marked by sudden changes in subject and sharp transitions
Synonyms: disconnected
Examples:

"abrupt prose"

Related terms: staccato
2. [ adjective ] exceedingly sudden and unexpected
Examples:

"came to an abrupt stop" "an abrupt change in the weather"

Related terms: sudden
3. [ adjective ] extremely steep
Synonyms: sharp precipitous
Examples:

"an abrupt canyon" "the precipitous rapids of the upper river" "the precipitous hills of Chinese paintings" "a sharp drop"

Related terms: steep
4. [ adjective ] surprisingly and unceremoniously brusque in manner
Examples:

"an abrupt reply"

Related terms: discourteous
Similar spelling:   abruptly
  abruption