Definition of roller-coaster
- an entertainer's roller-coaster career
We went for a ride on the roller coaster.
The divorce was an emotional roller coaster for both of them.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roller coaster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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a blind with adjustable horizontal slats
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