| / English Dictionary |
ROLLER COASTER
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Elevated railway in an amusement park (usually with sharp curves and steep inclines)
Synonyms:
big dipper; chute-the-chute; roller coaster
Classified under:
Nouns denoting man-made objects
Hypernyms ("roller coaster" is a kind of...):
el; elevated; elevated railroad; elevated railway; overhead railway (a railway that is powered by electricity and that runs on a track that is raised above the street level)
ride (a mechanical device that you ride for amusement or excitement)
Hyponyms (each of the following is a kind of "roller coaster"):
hypercoaster (a roller coaster that goes up 200 feet or higher and can catapult riders from 0 to 70 mph in 4 seconds by motors originally designed to launch rockets)
Sense 2
Meaning:
Anything characterized by abrupt and extreme changes (especially up and down)
Example:
the economy has been on a roller coaster all year
Classified under:
Nouns denoting stable states of affairs
Hypernyms ("roller coaster" is a kind of...):
Sturm und Drang; turbulence; upheaval (a state of violent disturbance and disorder (as in politics or social conditions generally))
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