roller coaster Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “roller coaster” in the English Dictionary

"roller coaster" in British English

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roller coasternoun

uk   /ˈrəʊ.lə ˌkəʊ.stər/  us   /ˈroʊ.lɚ ˌkoʊ.stɚ/
(Definition of roller coaster from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"roller coaster" in American English

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roller coasternoun [C]

 us   /ˈroʊ·lər ˌkoʊ·stər/ (plural roller coasters)
a ​smallrailroad, esp. in an ​amusementpark, with ​opencars that ​travelquickly along a ​steep, ​curvedtrack that goes up and down over and over
A roller coaster is also a ​feeling, ​situation, or ​experience that ​changes very ​quickly: an ​emotional roller coaster
(Definition of roller coaster from the Cambridge Academic Content Dictionary © Cambridge University Press)

"roller coaster" in Business English

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roller coasternoun [S]

uk   us  
a ​situation in which ​prices, ​rates, etc. ​keep going up and down by large ​amounts very quickly: Last week the roller ​coaster of ​crudeoilpricesclimbed to $89.47 on Thursday and $90 on Friday. Mortgage chaos ​sent the ​stockmarket on a roller ​coasterride.
(Definition of roller coaster from the Cambridge Business English Dictionary © Cambridge University Press)
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