Definition of on a collision course
- The two airplanes were on a collision course.
- The comet was on a collision course with the planet.
- The government's policies are putting us on a collision course with economic disaster.
: 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
: to follow close upon : pursue
: to hunt or pursue (game) with hounds
: to cause (dogs) to run (as after game)
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