on a collision course
Definition of on a collision course
: moving so as to crash into each other if one or the other does not change direction The two airplanes were on a collision course. —often + with The comet was on a collision course with the planet. —often used figuratively The government's policies are putting us on a collision course with economic disaster.
From the M-W Editors
Word by Word Definitions
: an act or instance of colliding : clash
: an encounter between particles (such as atoms or molecules) resulting in exchange or transformation of energy
: the act or action of moving in a path from point to point
: the path over which something moves or extends: such as
: racecourse
: to follow close upon : pursue
: to hunt or pursue (game) with hounds
: to cause (dogs) to run (as after game)
Seen and Heard
What made you want to look up on a collision course? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!