noun.
An amusement ride consisting of a buggy on a track that rises, falls, twists and turns.
noun.
Any situation in which there are violent changes in status
adjective.
Of or like a rollercoaster.
Word Usage
"But it is also an exercise in rollercoaster ride literature, a vivid and devastating account of a mind headed over the edge, and yet containing the cold acuity of a writer like Bernhard."