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

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, 30 Oct. 2024

Still, this race has been a roller-coaster ride where each candidate has careened from the dumps to the heights, only to crash again. —Shawn Tully, Fortune, 29 Oct. 2024

Noun

It is applauded for its award-winning roller coasters, standout dining, seasonal festivals, and live entertainment. —Staff Author, Travel + Leisure, 23 Oct. 2024

The Cyclone [wooden roller coaster] is almost 100 years old. —Charlie Hobbs, Condé Nast Traveler, 18 Oct. 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