Without notice to prepare the mind for the event; sudden; hasty; unceremonious.
Curt in manner.
Suddenly terminating, as if cut off; truncate.
Having sudden transitions from one subject or state to another; unconnected; disjointed.
Extremely steep or craggy as if broken up; precipitous.
Something which is abrupt; an abyss.
To interrupt suddenly.
Not announced beforehand.