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roller coaster

noun
1.
a small gravity railroad, especially in an amusement park, having a train with open cars that moves along a high, sharply winding trestle built with steep inclines that produce sudden, speedy plunges for thrill-seeking passengers.
2.
a car or train of cars for such a railroad.
3.
any phenomenon, period, or experience of persistent or violent ups and downs, as one fluctuating between prosperity and recession or elation and despair.
Origin of roller coaster
1885-1890
1885-90

roller-coaster

[roh-ler-koh-ster, roh-li-] /ˈroʊ lərˌkoʊ stər, ˈroʊ lɪ-/
verb (used without object)
1.
to go up and down like a roller coaster; rise and fall:
a narrow road roller-coastering around the mountain; a light boat roller-coastering over the waves.
2.
to experience a period of prosperity, happiness, security, or the like, followed by a contrasting period of economic depression, despair, or the like:
The economy was roller-coastering throughout most of the decade.
adjective
3.
of, relating to, or characteristic of a roller coaster.
4.
resembling the progress of a ride on a roller coaster in sudden extreme changeableness.
Origin
1960-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for roller coaster
  • My program has been a wild roller coaster ride, both academically and personally, but it has been fun.
  • Expectant mothers aren't the only family members on a hormonal roller coaster.
  • Two g's is two times the acceleration of gravity, about what one experiences on a sharp loop on roller coaster.
  • He can design his own roller coaster and then test-ride a virtual version of it.
  • Walk in my shoes for a day, yes it is a roller coaster.
  • roller coaster connoisseurs tend to dismiss water rides as too slow, too tame, and too wet.
  • My two-year-old thought that he was on a roller coaster, and loved it.
  • Or riveting bolts into a hand-built roller coaster-which also functions as a space rocket.
  • Another architectural type is the roller coaster set, with all its little tubes and struts and supports.
  • Family rides range from bumper boats and bumper cars to go-karts and the mad mouse mini roller coaster.
British Dictionary definitions for roller coaster

roller coaster

noun
1.
another term for big dipper
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Difficulty index for roller coaster

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Word Value for roller

6
8
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