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roller coaster
A roller coaster is an amusement park ride in which you are in a car that goes up and then rapidly down a steep incline or hill or any situation with wild ups and downs. (noun)
- An example of a roller coaster is a ride called The Raptor at Cedar Point amusement park, which is 137 feet high.
- An example of a roller coaster is the emotion you feel when you are in a relationship where you continually break up and get back together.
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See roller coaster in Webster's New World College Dictionary
See roller coaster in American Heritage Dictionary 4
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