roll·er-coast·er
ˈrō-lər-ˌkō-stər 
ˈrō-lə-ˌkō-
: marked by numerous ups and downs
an entertainer's roller-coaster career
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
Isabel Kershner, New York Times, 13 June 2024
The car jerked like a roller-coaster cart as my tires, new ones at that, lost contact with the road.
—Lisa Gutierrez, Kansas City Star, 13 June 2024
Gail Mitchell, Billboard, 29 June 2024
Here’s what to know about Boise’s roller coaster weather this week.
—Shaun Goodwin, Idaho Statesman, 24 June 2024
See all Example Sentences for roller-coaster 
Adjective
The wrangling comes against the background of a roller-coaster week of events and conflicting emotions for Israelis and Gazans.
—Isabel Kershner, New York Times, 13 June 2024
The car jerked like a roller-coaster cart as my tires, new ones at that, lost contact with the road.
—Lisa Gutierrez, Kansas City Star, 13 June 2024
Noun
The entire album just takes you on a roller coaster ride.
—Gail Mitchell, Billboard, 29 June 2024
Here’s what to know about Boise’s roller coaster weather this week.
—Shaun Goodwin, Idaho Statesman, 24 June 2024
See all Example Sentences for roller-coaster
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'roller-coaster.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near roller-coaster
Cite this Entry
“Roller-coaster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roller-coaster. Accessed 7 Jul. 2024.
Copy CitationKids 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
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