Definitions
1.AdjectiveBroken away (from restraint). .mw-parser-output .defdate{font-size:smaller}
2.AdjectiveWithout notice to prepare the mind for the event; sudden; hasty; unceremonious."The party came to an abrupt end when the parents of our host arrived."
3.AdjectiveCurt in manner.
4.AdjectiveHaving sudden transitions from one subject or state to another; unconnected; disjointed.
5.AdjectiveBroken off.
6.AdjectiveExtremely steep or craggy as if broken up; precipitous.
7.AdjectiveSuddenly terminating, as if cut off; truncate.
8.VerbTo tear off or asunder.
9.VerbTo interrupt suddenly.
10.NounSomething which is abrupt; an abyss.