Meaning of abrupt

ab•rupt

Pronunciation: (u-brupt'), [key]
— adj.
  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).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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