1. (noun) elevated railway in an amusement park (usually with sharp curves and steep inclines)

• big dipper
• chute-the-chute

1. (noun) anything characterized by abrupt and extreme changes (especially up and down)

• sturm und drang
• turbulence
• upheaval

2. (noun) elevated railway in an amusement park (usually with sharp curves and steep inclines)

• el
• elevated
• elevated railroad
• elevated railway
• overhead railway
• ride

1. (noun) elevated railway in an amusement park (usually with sharp curves and steep inclines)

• hypercoaster