roller-coaster

1 of 2

adjective

roll·​er-coast·​er ˈrō-lər-ˌkō-stər 

ˈrō-lə-ˌkō-

: marked by numerous ups and downs

an entertainer's roller-coaster career

roller coaster

2 of 2

noun

roll·​er coast·​er ˈrō-lər-ˌkō-stər 

ˈrō-lē-ˌkō-

1

: an elevated railway (as in an amusement park) constructed with sharp curves and steep inclines on which cars roll

2

: something resembling a roller coaster

especially : behavior, events, or experiences characterized by sudden and extreme changes

an emotional roller coaster

Examples of roller-coaster in a Sentence

Noun

We went for a ride on the roller coaster.

The divorce was an emotional roller coaster for both of them.

Recent Examples on the Web

Adjective

And as a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride as evident in HQ Portfolio performance metrics. —Trefis Team, Forbes, 5 Nov. 2024

The cousins’ eventual arrival at the home Grandma Dory left behind to escape the Nazis is handled in a way that’s unsentimental yet also credible and thoroughly touching, with a gentle twist that nicely serves the arc of David and Benji’s roller-coaster relationship. —Gary Goldstein, Los Angeles Times, 2 Nov. 2024

Noun

Those feeling strong anxiety or alarm about the race should ‘zoom out’ and get off the ‘expectation roller coaster,’ one expert on happiness said. —Kevin Rector, Los Angeles Times, 2 Nov. 2024

Unlike a traditional roller coaster, individual carts, carrying one to two passengers, are pulled via cable to the top of the mountain track. —Carly Caramanna, Travel + Leisure, 1 Nov. 2024

Word History

First Known Use

Adjective

1940, in the meaning defined above

Noun

1883, in the meaning defined at sense 1

Kids Definition

roller coaster

noun

roll·​er coast·​er ˈrō-lər-ˌkō-stər 

ˈrō-lē-ˌkō-

: an elevated railway (as in an amusement park) with sharp curves and steep slopes on which cars roll