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coaster

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roller coaster

A series or period of drastic changes that occur without warning. After she graduated from college, her life became a roller coaster filled with ups and downs as she tried to establish herself as a fashion designer.

See also: coaster, roller

a roller coaster

a situation which changes suddenly and often between being good and being bad

Usage notes: A roller coaster is a type of small railway in an amusement park which travels very quickly climbing up and down hills.

The Norwegian stockmarket has been on a roller coaster during the past 18 months. What the book does describe very well is the emotional roller-coaster of puberty.

See also: coaster, roller

coaster

n. someone who lives near the ocean on the coast. (California.) Tiffany is a coaster now, but she was born, like, somewhere else.