abrupt: Meaning and Definition of

ab•rupt

1. sudden or unexpected: an abrupt departure.
2. curt or brusque in speech, manner, etc.: an abrupt reply.
3. terminating or changing suddenly: an abrupt turn in a road.
4. having many sudden changes from one subject to another; lacking in continuity or smoothness: an abrupt writing style.
5. steep; precipitous: an abrupt descent.
6. truncate (def. 4).