roller-coaster

[ roh-ler-koh-ster, roh-li- ]
/ ˈroʊ lərˌkoʊ stər, ˈroʊ lɪ- /

verb (used without object)

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.
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

of, relating to, or characteristic of a roller coaster.
resembling the progress of a ride on a roller coaster in sudden extreme changeableness.

Origin of roller-coaster

First recorded in 1960–65

Definition for roller-coaster (2 of 2)

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.
a car or train of cars for such a railroad.
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

First recorded in 1885–90

Example sentences from the Web for roller-coaster

British Dictionary definitions for roller-coaster

roller coaster

noun

another term for big dipper