Definition of roller-coaster in English English dictionary
A situation which changes from one extreme to another, or in which a person's feelings change from one extreme to another
(ALSO rollercoaster) an exciting entertainment in an amusement park, which is like a fast train that goes up and down very steep slopes and around very sudden bends
A roller-coaster is a small railway at a fair that goes up and down steep slopes fast and that people ride on for pleasure or excitement. It's great to go on the roller coaster five times and not be sick
If you say that someone or something is on a roller coaster, you mean that they go through many sudden or extreme changes in a short time. I've been on an emotional roller-coaster since I've been here
(ALSO roller-coaster) an exciting entertainment in an amusement park, which is like a fast train that goes up and down very steep slopes and around very sudden bends
A gravity railway in which riders are sent along on a track powered only by sheer gravity, after an initial start, lift hill, catapult, etc An amusement park device
elevated railway in an amusement park (usually with sharp curves and steep inclines) anything characterized by abrupt and extreme changes (especially up and down); "the economy has been on a roller coaster all year
Funderstanding Roller Coaster This simulator is designed for students who want to design their own thrilling coaster and educators who want to use a cool activity to simulate the application of physics by using an exciting interactive tool and access to a wonderful reference source See also the outstanding Amusement Park Physics interactive site