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• roller coaster
  roller coaster

  noun

  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.
• roller-coaster
  roller-coaster

  verb (used without object)

  to go up and down like a roller coaster; rise and fall.

roller coaster

¹ American  

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.

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roller-coaster ² American  

[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.

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adjective

1. of, relating to, or characteristic of a roller coaster.

2. resembling the progress of a ride on a roller coaster in sudden extreme changeableness.

roller coaster British  

noun

1. another term for big dipper

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Etymology

Origin of roller coaster¹

First recorded in 1885–90

Origin of roller-coaster²

First recorded in 1960–65

Example Sentences

Roller coaster fans should check out Cedar Point in Sandusky, Ohio.

From Fox News • Mar. 12, 2020

"Roller coaster is the best way to describe it," Katherine Raymond, 28, said.

From Fox News • May 9, 2019

Roller coaster videos are also popular for seeing - not just hearing - riders screaming.

From Washington Times • Jul. 13, 2016

Roller coaster fans are giddy about the overhaul of “Ghost Rider” and “Revolution.”

From Los Angeles Times • Jun. 24, 2016

Roller coaster or fun house, the first two books in the new series, Don't Forget Me! and Locker 13, read like slightly more sophisticated installments of Goosebumps.

From Time Magazine Archive